90 Minutes Of Madness!

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Our book is very close to release - thanks to everyone who supported the Kickstarter. If you still need to order it then you can do so here:
www.kickstarter.com/projects/...
Simon takes on a puzzle called Parhelion by Shinya. This sudoku has a perfect rating on Logic Masters Germany - 100% for enjoyment and 5/5 for difficulty. Is there a quicker way to solve it? Possibly. But Simon couldn't find it... Give it a try at the link below:
app.crackingthecryptic.com/su...
Rules:
Normal sudoku rules apply. In cages, digits must sum to the small clue in the top left corner of the cage. Clues outside the grid give the sum of the clues along the indicated diagonal. Digits can repeat along such diagonals if allowed by other rules.
PS If we manage to reach 400,000 subscribers then we'll be releasing a video where Mark and Simon answer community questions! Please email us at crackingthecryptic@gmail.com if you have a good question for them :)
▶ MORE PATREON MADNESS ◀
We've just released Loony Tunes, a sudoku hunt themed on the cartoons! You can join us on Patreon here:
/ crackingthecryptic
▶ SUDOKU PAD - Our New App ◀
You can now input your own classic sudoku puzzles into our software using our new App! The app also comes with 12 handmade puzzles from us and it should be released any moment at these links:
iOS:
apps.apple.com/us/app/svens-s...
Android:
play.google.com/store/apps/de...
**************************************************************
▶ OUR NEW ARROW SUDOKU APP IS OUT ON ALL PLATFORMS!
Here are the links:
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store.steampowered.com/app/16...
App Store:
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Google Play:
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▶ OUR NEW KILLER SUDOKU APP IS OUT ON ALL PLATFORMS◀
apps.apple.com/us/app/killer-...
store.steampowered.com/app/14...
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▶ SIMON REACTION BOARD (!) ◀
With thanks to Andrea for creating this :)
simonreacts.avris.it/
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▶ OUR CHESS SUDOKU APP IS NOW OUT!◀
AppStore: apps.apple.com/us/app/chess-s...
Steam: store.steampowered.com/app/12...
Android: play.google.com/store/apps/de...
▶TRY OUR CLASSIC SUDOKU APP◀
AppStore: apps.apple.com/us/app/classic...
Steam: store.steampowered.com/app/11...
Android: play.google.com/store/apps/de...
▶TRY OUR SANDWICH SUDOKU APP◀
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▶SEND US PUZZLES TO SOLVE/CONTACT US◀
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▶FOLLOW US◀
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@crypticcracking
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▶SOFTWARE◀
Play the puzzle in the video by clicking the link under the video (above). We are building a website which will allow you to enter your own sudoku puzzles into the software and this is coming soon!
▶Logo Design◀
Melvyn Mainini
▶ABOUT US◀
Hi! We're Simon Anthony and Mark Goodliffe, two of the UK's most enthusiastic puzzle solvers. We have both represented the UK at the World Sudoku Championships and the World Puzzle Championships.
Thank you for watching!
Simon and Mark

Опубликовано:

21 сен 2021

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Комментарии : 486

@DennisJosefsson 2 года назад

22:55 "I'm sure you all got there already..." Find you someone who believes in you as much as Simon believes in his viewers.

@WhistleHummer 2 года назад

I actually got the 7 in the middle in 7 minutes. Probably the fastest I've found a good break-in in a long time. I was hoping the rest of the puzzle would suddenly become easy after that, and it didn't. So then I watched Simon's video on 2x speed. Good lunch break...

@jaeusa160 2 года назад

Watching along, I often do get little things ahead of Simon as he's showing his work in a way viewers can understand. But I would never have engaged in this madness to find all this to begin with.

@pixllo 2 года назад

A better word should have been 'eventually' instead of 'already'. The painful part was the break in. And it was painful. But after that I felt it ok. At around 40:00 in Simon's solve I did a vert different thing: I did consider the possibility of 7 being in the box 9 cage but ruled it out immediately. This helped a lot and I only had an Y wing in the end (Y wings are the bane of me)

@Viruzzz 2 года назад

I could never live up to that kind of expectation.

@Stephen-Fox 2 года назад

@@jaeusa160 Yeah. Both Simon and Mark are good at explaining their logic in a way that lets you get ahead of them - sometimes before they make the realization themselves, sometimes before they get to that part of their explanation. But I don't think it's at all to do with them being slow (although obviously, they'd be doing these a lot faster if they weren't talking through their logic and slowing down to explain any technique more advanced than a naked or hidden single that comes up - not a criticism, absolutely vital to make their content approachable for anyone unfamiliar with advanced techniques, especially newer viewers)

@ThomasHDBass 2 года назад

Thanks a lot for featuring my puzzle! Very excited to see you doing Parhelion.

@Playmaker6174 2 года назад

When a puzzle took Simon 90 mins you know it's one beast of a puzzle, beautifully brutal yet brutally beautiful, but wait I have to try it as well xD

@funnykidz567 2 года назад

How did Simon do at finding your intended way to solve your puzzle?

@susanne5803 2 года назад

Is it called "pa-R-helion"? Or "pa-N-helion"? You write here "parhelion". But the description says "panhelion". Dog-sun or All-Sun? Thank you very much for a beautiful movie way above my brain wiring!

@ThomasHDBass 2 года назад

@@susanne5803 It's called "parhelion", like sun dogs. Colour the grid blue, and the break-in cells in yellow/orange/red to see why.

@susanne5803 2 года назад

@@ThomasHDBass Thank you! I found your explanation and correction in another thread.🤗

@superdan2593 2 года назад

That is right Simon, your videos have a Bob Ross kind of vibe probably because of your voice and how you talk to the audience. Everyone feels included; you keep explaining basic stuff as if we never played sudoku before which is very convenient for anyone watching your videos for the first time or those who just watch occasionnally. Thanks a lot!

@maaleru 2 года назад

Happy little crazy break-in

@ashleeknowlton5805 2 года назад

I think it's also really good for people who watch all the time too. It really drills that information into your brain. And since no two puzzles are alike it doesn't get too repetitive. It's amazing after only a couple of months of watching these videos pretty much daily, I'm catching really complicated things I didn't even know existed 6 months ago. Sometimes even before Simon. 😁 Then of course he points out something way more brilliant that he's been focusing on which is why he missed it... But still 😂

@mickeyjupp1 2 года назад

Bob WHO?

@auroreinara7322 2 года назад

I can't believe I sat through a fistomefel proof for the 50th time, and enjoyed it.

@davidstorrs 2 года назад

@@mickeyjupp1 Bob Ross used to run a show called The Joy of Painting. On it, he would paint and talk the audience through what he was doing and how they could do it themselves. He had the same sort of voice and attitude as Simon -- calm, soothing, very supportive. It was an uplifting show and the world would be better with more people like Simon and Bob in it. ru-vid.com

@martinepstein9826 2 года назад

Mark fully pencilmarks 2-cell thermos, and Simon multicolors row/column 5 just because he can't decide between green and purple :)

@pixllo 2 года назад

And then blames the extra color on diagonals

@AuntyAwesome 2 года назад

they compliment each other perfectly. the goat friendship

@jasonmetcalfe4695 2 года назад

Yip, he needs to start removing the colours when they've served purpose not add more

@martinepstein9826 2 года назад

@@jasonmetcalfe4695 100% agree. I really think if you mark the grid in a redundant inconsistent way it harms your scanning. I left another comment that Simon missed a pretty easy and hugely important trick in box 9 involving the digits 7 and 9, and I can't help but think he was distracted by the coloring.

@martinepstein9826 2 года назад

If Simon used green for row 5 and purple for column 5 then the multicoloring would correspond exactly to the double counting. No need to add a flash for cells being double counted.

@jonthe5615 2 года назад

I actually came across this channel whilst trying to fall asleep. I searched for sudoku which i thought be perfect since it didn’t interest me the sleightest. However after a few weeks of listening to your videos before sleeping i started to catch on to some of the techniques you guys were using and it lead to me watching the video instead of falling asleep. Recently i tried solving some of the easier sudukos you post and i could do them! Im amazed about how you’ve managed to teach me multiple solving techniques, whilst i was half asleep. Love the channel, keep up the good work!

@TheZenytram 2 года назад

I also do watch his video before sleeping hahaha, but wasnt a choise i made it just happened.

@maxcalderon7815 2 года назад

i love the concept that this is happening to a lot of people because we learn best right before sleeping

@yvindKveine 2 года назад

This is pretty close to my experience. I started watching these videos as ASMR during Covid, but now I'm trying to solve the puzzles myself 😃

2 года назад

Almost the same. I did some sudokus before, but after listening these to fall asleep I've since gotten all of their apps and solved almost all of the sudokus in them 😅

@solfeinberg437 Год назад

Congratulations, now you won't be able to sleep until you solve a sudoku.

@pattimcneill7531 2 года назад

There’s no way I would ever even attempt this puzzle. Simon’s logic solving amazes me every single time.

@auroreinara7322 2 года назад

Two weeks ago I started walking on a treadmill every morning while watching Cracking the Cryptic. I break up really long videos like this one into two. But the really fun part is when I watch a shorter video and I cheer Simon to complete the puzzle faster so I can get off the treadmill!

@Jim_Fries 2 года назад

22:56 Simon: “I’m sure you’ve all got there already.” Me: /blankstare

@specialkalberta 2 года назад

Or the Doctor at the end of this clip: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-oPAY2LsKVEw.html&ab_channel=reguspatoff2000

@nickroethel3326 2 года назад

The number of times I have gotten in bed for the night and started a CTC video just to fall asleep VERY quickly is insane. It's not boredom. It 100% is just a relaxing channel.

@ianf6762 2 года назад

Your videos really do have an ASMR-like, relaxing quality to them, just without all of the whispering which I find creepy!! Honestly, I stuck around because watching you and Mark make me feel smarter (until I try one of these puzzles for myself and realise I'm absolutely not 😅). Keep up the great work, gents!

@DipanGhosh 2 года назад

Dont worry mate, I'd wager a large majority of the viewers are right there with you, me included!

@susanne5803 2 года назад

Agree!🤗

@ibramall 2 года назад

⁰

@FSHKOF 2 года назад

Simon solved once a puzzle with only whispering in ASMR-style.

@longwaytotipperary 2 года назад

@@FSHKOF Really? Which one? 🤔

@acejohnson81 2 года назад

Forget Sudoku, just coloring this in and the patterns, is a work of art.

@Coyotek4 2 года назад

A math error costs me about an hour of my life. Within 7 minutes, I had calculated what I thought was a BRILLIANT break-in (basically, the same thing Simon found) ... but I forgot to subtract the center cell an extra time, and spent almost another hour trying to figure out what I missed. It was only after I started watching the solve that I realized my error. *sigh* From there, I was able to finish. I still feel proud for what I do consider to be a successful solve (I did the same work as Simon, and I caught my error before getting to the point in the video that would have exposed my mistake), but that I needed my brain jogged at all prevents me from claiming full credit on this one. Astounding puzzle!

@vovozaum 2 года назад

i imagie that was really frustrating

@georgen4246 2 года назад

When Simon is living the Goodliffe, you know something has gone terribly awry.

@Rangsk 2 года назад

What a great solve and a beautiful construction by Shinya! Since you asked, I think one thing that you almost got which would have helped is that you noted that the unfilled cells in box 7 must sum to 15. What you didn't remember is that the 11 sum limits r7c2 + r8c3 to be at most 9, and so r7c3 must be 6 or 7. Also, I'm sure I'm not the only viewer who would find it completely sensible to use a notepad to keep track of sums when doing stuff like the break-in. We're all very impressed with your ability to keep this in your head, but it's not necessary! Even when doing sudoku on paper, there's the ability to write down notes, so I can't see how anyone would consider it "cheating." If anything, it would at least help us follow along with what you're doing.

@tzampini 2 года назад

Rangsk, I agree completely. Sudoku is a game primarily of logic, not memorization. The focus should be on the logic. Straining your brain to memorize a bunch of numbers doesn't seem germane to the game of Sudoku, at least to me. But I have to say, I've been watching this channel religiously for over 2 years. Mark and Simon are geniuses when it comes to logic deductions. I am amazed daily. Bravo, Mark and Simon.

@BigAsciiHappyStar 2 года назад

@rangsk notepad isn't necessary. Just enter r1c1=2, r1c2=8, r1c3=2 so you don't have to keep the number 282 in your head :)

@RichSmith77 2 года назад

@@BigAsciiHappyStar I do that, although I also have the auto-check feature enabled (mainly to catch my many typos I make on mobile), so I use the centre cell notations - otherwise it would turn the grid red with the double 2s 😂. I also agree that solving Sudoku shouldn't be a question of how good your memory is; which is why I don't really like Simon and Mark's distinction that it's not bifurcation if you can see a long "what if" chain in your head. I'll happily colour the first cell when I start a "what if" stream of thought and enter digits into the grid to visualise the consequences more easily, with the understanding I will spam the undo button at some point to get back to the original position.

@martinepstein9826 2 года назад

Then combine that with the fact that 7 can't go in r8c9 since that forces too many 1s and 2s into row 9. That lets you place 7 in r7c9 and resolve r7c3.

@kamenhero25 2 года назад

As someone who does have trouble sleeping some nights, I fall asleep to the relaxing voices of Cracking the Cryptic quite often. You really are a wonderful person and a brilliant solver with a smooth as silk voice.

@tyrgannusgaming6657 2 года назад

Simon has indeed been doing some challenging puzzles. This one was near inevitable though. Incredibly highly rated

@Paolo_De_Leva 2 года назад

True, it was near inevitable, and I am glad Simon did it, but I do not totally agree with the rating on Logic Masters Germany (100% for enjoyment and 5/5 for difficulty). I enjoyed the break-in, but after that it was a neverending nightmare, with little enjoyment. I am not a puzzle constructor, but I guess the little killer clues might have tuned differently, to make the second part a little bit easier.

@martinepstein9826 2 года назад

@@Paolo_De_Leva This is actually one of my favorite puzzles on the channel. But you need to find the right deductions and not get bogged down in little killer sums. Even with all the great logic Simon found he missed a few key steps.

@Paolo_De_Leva 2 года назад

@@martinepstein9826 Nice to know that there's a way to avoid the nightmare, but how many people among the 399000 CTC subscribers can outperform Simon in finding the right deductions? Here's an example of a _brutal_ and _time consuming_ solve (more than 1 hour for Simon) that did not become a nightmare for me: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-7W0t8NxuDRE.html 😉👍👍👍 This masterpiece is tailored to gratify: after the initial brutal break-in, finding the right deductions to proceed became easier and easier, but not too easy... This amplified the huge initial gratification, rather than turning it into a nightmare. *P.S.:* See also *AlienRenders's* amazing alternative trick for a quicker and more elegant break-in. It took days for AlienRenders to discover it, but it was worth!

@esmith22015 2 года назад

Nothing like cozying up with a feature length CTC video after a long day. :)

@theawesomecamel4469 2 года назад

When it takes Simon 90 minutes to solve a sudoku, you just know that it's impossible for us mere mortals

@1a2s3d6a9s5d 2 года назад

Yup, it means practice is cancelled you ready the popcorn and watch

@Amybohme 2 года назад

I looked at the length of the video and knew instantly that it would be too hard for me and now I'm watching before bed.

@schneebaer42 2 года назад

I was at that point not too long ago. Keep watching and learning and eventually you will solve these puzzles too. 113 minutes for me today in total; the break in took me not even 10 minutes...

@Moolers 2 года назад

As a mere mortal, I solved it and I'm pretty damn proud of it. I've come a long way from spending five hours on a puzzle with a 25 minute video six months ago.

@solfeinberg437 Год назад

Or it's going to take multiple hours over a couple days.

@Crrool 2 года назад

I joined the channel a few years ago for the sudoku, but I have to admit that at this point I often use them to help me fall asleep. There's just something soothing about hearing Simon explain sudoku

@instantnoob 2 года назад

Parhelion, meaning adjacent sun, in a bright spot into the corner of a sun's halo in a dewy sky, usually appearing in pairs. The fantastic thing is the brilliant choice of color scheme with the orange inner ring and red and yellow 8s and 9s (the bright parhelia) and blue corners, perfectly representing the puzzle's namesake!

@abigail5762 2 года назад

If y’all havn’t looked up photos. Do it now! Worth it!

@QemeH 2 года назад

In some english-speaking corners of the world this phenomenon is also known as "sun dog" or "mock sun".

@Chiny_w_Pigulce 2 года назад

But the sudoku is called "panhelion" not "parhelion"

@instantnoob 2 года назад

@@Chiny_w_Pigulce I'm aware of that. Panhelion isn't a word, but I may choose to believe it was a stylistic choice to be named similarly to the word parhelion rather than it being a typo or misspelling

@DembaiVT 2 года назад

Sundogs?

@w0rmblood323 2 года назад

I have severe chronic insomnia, the CTC channel has definitely been a great help. I've started doing my own puzzles before sleeping and they really help me unwind and relax. I had no idea how my entire life I've never encountered all of these Sudoku variants before but they are fantastic. Much love

@matthiaskolb1657 2 года назад

55:50 The Conclusion that R4 C2 cannot be a 9 could have already been gained, since the 9 would also force 9s into R3 C1 and R6 C4, thus breaking the 49 clue. Always happy to spot little details Simon missed. :D

@bradk1406 2 года назад

I kept thinking that during the puzzle…but 99 times out of 100 times that I think Simon is wrong…he isn’t…lol

@leodaric5447 2 года назад

Another way of seeing it is depending on which cell in box 5 is a 9, you get either a 6 or a 9 in r4c4 which makes a 69 pair in r4.

@66Morti66 2 года назад

That is also how I solved the puzzle :)

@jdyerjdyer 2 года назад

A much better way is to use box 7. Do the math. See what R7C3 is. Realize that the 26 clue can't be 6767. It must be double 9 at the bottom end. Takes less than a minute to do all that if you realize that you already know what all the other cells in box 7 add up to with only 1 degree of freedom on the 11 diagonal cells.

@johnshurety5851 2 года назад

When he honed straight in on the break in and still had over an hour to go………. That break in would have taken me a month!! Go Simon! Still watching at! 35:00

@jdyerjdyer 2 года назад

There was a time when that break in would make me give up. I've seen this logic used in little killers though, so I knew the diagonals had to play a key role. His was much more elegant. I used algebra instead. Here, I'll past that part of my solve. It isn't too hard to follow, but it is less elegant than his, so be warned. lol I colored the Phistomefel ring green, then I colored the long diagonals purple, then where they intersected the ring I changed those cells to orange. Finally I colored all the other cells blue. Then I did a little math on these cells. green + orange = 20 + 19 + 19 + 13 purple + orange + orange = 49 + 55 + 41 + 47 green + orange = 71 purple + orange + orange = 192 blue = 405 - purple - orange - green purple = 192 - orange - orange blue = 405 - 192 + orange + orange - orange - green blue = 405 - 192 + orange - green green = 71 - orange blue = 405 - 192 + orange - 71 + orange blue = 142 + orange + orange Next I noted that the corner cages being the same as the Phistomefel ring, I could subtract those out of the blue, changing those to be black. blue less corners = 142 + orange + orange - green - orange blue less corners = 142 + orange - green Next I subtracted the small diagonals out of the blue using their totals, also changing those to be black. blue less corners less small diagonals = 142 + orange - green - 26 - 11 - 23 - 30 blue less corners less small diagonals = 52 + orange - green Now I noted that the blue cells and the orange cells left are one row and one column, so they add up to 90 counting the central cell twice. blue less corners less small diagonals + orange = 90 - R5C5 Substituting I get: 52 + orange - green + orange = 90 - R5C5 Rearranging, we get 2(orange) - green + R5C5 = 90 - 52. Substituting our old equation for green, we get: 2(orange) - 71 + orange + R5C5 = 90 - 52 3(orange) + R5C5 = 90 - 52 + 71 = 109 So if we max out the orange to be two sets of 89 pairs, we get: 3(8+9+8+9) + R5C5 = 109 3(34) + R5C5 = 109 109 - 102 = R5C5 7 = R5C5 and since R5C5 sees both pairs, 7 is the maximum it could be, so we have to make oranges an 89 pair with R5C5 a 7.

@atlhunt47 2 года назад

I knew I couldn't be the only one. I watch your videos, either intently or in the background while I'm doing work, and I find them extremely soothing and they keep me relaxed.

@TheFrogfather1 2 года назад

Maverick after less than 4 minutes! His sense of timing is improving!

@chesshead 2 года назад

It's probably a sound effect.

@d.l.7416 2 года назад

@Tomid Or, ya know, it could just possibly maybe potentially hypothetically be that Simon lives somewhere where planes regularly fly by.

@mikes_.5_cent 2 года назад

At least Maverick got the noise in early.

@madeleinewalker838 2 года назад

Yeah if I did videos I would have a lot of Maverick problems. Live close to an airport. And with all the normal stuff they do a lot of training there too.

@HunterJE 2 года назад

Stay tuned for the phistomefel explanation at the end even if you already know, this new version of the explanation is super sleek

@MrCheeze 2 года назад

I love seeing the progression of the proofs :D

@BigAsciiHappyStar 2 года назад

The version I wanna see is Simon singing a rap song to the tune of Tom Lehrer's famous "New Math". Let me know when it happens 😊

@Tony_Regime 2 года назад

such a great proof of the Phistoefel Ring. so simple and beautiful

@inspiringsand123 2 года назад

Rules: 03:26 Let's get cracking: 04:42 And how about this video's Simarkisms?! Sorry: 17 (06:19, 08:56, 08:58, 08:58, 09:54, 13:56, 14:56, 24:46, 26:56, 36:58, 37:00, 42:34, 47:08, 58:22, 1:06:24, 1:08:30, 1:17:19) By sudoku: 7 (28:30, 31:28, 31:31, 40:26, 49:15, 1:09:15, 1:23:40) The Answer is: 5 (47:00, 57:32, 59:19, 1:00:13, 1:02:01) Goodliffing: 5 (44:01, 44:30, 51:32, 1:16:53, 1:16:56) Beautiful: 5 (44:26, 57:02, 1:09:41, 1:13:12, 1:26:03) Bobbins: 4 (07:00, 09:47, 40:08, 1:19:46) In the Corner: 3 (14:36, 14:39, 1:24:00) Good Grief: 2 (1:24:36, 1:25:28) Maverick: 2 (03:34, 03:37) Clever: 2 (1:23:13, 1:26:09) I Have no Clue: 2 (05:03, 1:06:20) Lovely: 2 (25:50, 25:50) Fascinating: 2 (14:56, 1:27:13) Extraordinary: 2 (02:47, 08:41) Elegant: 2 (1:26:09, 1:27:23) Going Mad: 2 (33:00, 37:21) What on Earth: 1 (46:56) Bother: 1 (36:56) Secret: 1 (15:27) Out of Nowhere: 1 (48:38) Nonsense: 1 (36:26) Horrible Feeling: 1 (1:24:45) Ridiculous: 1 (1:25:56) Astonishing: 1 (00:21) Gorgeous: 1 (1:23:09) Oh It Can!: 1 (34:36) Take a Bow: 1 (1:25:56) Famous Last Words: 1 (1:06:57) FAQ: Q1: What is a Simarkism? A1: A Simarkism is something that Simon and Mark typically or frequently say. Q2: How do you do this so fast? A2: I'm not made of flesh and blood, but of sand ... Q3: Why don't you include 'XX' and 'YY'? A3: Probably it's already on the list, but not mentioned in this video. But if you think it's not, tell me what you'd like me to include and there's a good chance I'll add it! Q4: You missed 'XX' at 'YY:ZZ'! A4: That could very well be the case! Human speech is hard to understand for computers like me, especially British sometimes! Point out the ones that I missed and maybe I'll learn!

@UsePsychology 2 года назад

Ten past midnight as I'm sending this. I wasn't interested in sudoku before finding this channel. Now I listen to help me sleep, and watch again later for the puzzles. Thank you Simon, and goodnight 😊

@th.nd.r 2 года назад

WOAH that Phistomefel proof is so so incredibly elegant, I love it

@TheFrogfather1 2 года назад

It's odd isn't it? Watching up to an hour and a half of mind meltingly complex logic shouldn't be relaxing. And yet, somehow it is.

@LornaM2304 2 года назад

Can't wait to watch another feature length CtC video 😍

@P_44_44 2 года назад

I am another person who falls asleep listening to Simon. I love solvong sudoku, I love watching Simon and Mark, love live streams, but lately i watch You mostly at nights to help me fall asleep.

@JuanRamirez-up2ts 2 года назад

In refernece to the intro. I used to use this channel to sleep, but slowly got more and more interested in Sudoku. I now have all the apps on steam and have completed nearly all the puzzles within the Chess and Original sudoku categories...

@rossylittle16 2 года назад

4 hours 39 minutes to complete for me. Crazy challenging puzzle, I found the break in fairly quickly when I noticed how much of the puzzle was covered with little killers and the Phistomefel ring and got the 7. Had the exact same reaction as Simon out loud and my partner was laughing at me. Amazing sudoku @Shinya

@NettoTakashi 2 года назад

In my solve path, once I reached roughly the position Simon is in at 1:13:00, I took a closer look at box 9, and the cage therein. Specifically, I asked the question: can this cage contain a 7? If there were a 7 in that cage, it would have to be in r8c9, pushing the 9 there into r8c8. The other two digits in that cage would then have to be a 1-2 pair to make the cage total correct. However, the pair is question would both be in r9, where r9c4 is already pencilmarked as needing either a 1 or a 2. That breaks that cell, thus proving that the cage does not have a 7, but a 3. Once that's proven, it has an impact on box 1, forcing a 6 into r7c3, putting two 1's on the 11 diagonal... I don't recall exactly where I went from there, but it resulted in a 9 being forced into r6c4, using a series of smaller deductions and bypassing the large chain deduction Simon uses at that point in his solve.

@monosoloq 2 года назад

Yeah that’s how I solved it too. Once box 9 was figured out , the rest collapsed pretty fast

@yairgo 2 года назад

I’m not a very good solver on my own, but I spotted this pretty quickly during Simons solve. I was sitting there just hoping he would notice it because I wanted to see how it impacted the rest! Of course he figures out a different way like always though!!!

@alienrenders 2 года назад

That's the proper solve. I find what Simon did to be an abomination to the Sudoku world.

@lylecampbell8288 2 года назад

I found that too.

@Fallenangel_85 2 года назад

Yeah, just figuring out that there can't be a 7 in the ring and thus not in the corners either was amazing for solving this.

@michaellorenson756 2 года назад

At the beginning of the year I never would have been able to solve this. But after watching enough of your videos and learning some of the more advanced techniques, I was able to solve this one using the exact sequence of break-ins you used, and without having to pause my solve to watch your video for hints. I can't tell you how satisfying it is to feel the progress I've made, and it wouldn't have been possible without you sharing your joy of solving with us.

@briannelson605 2 года назад

I love it when Simon "goodliffes" the cells

@inspiringsand123 2 года назад

Many times this video! Goodliffing: 5 (44:01, 44:30, 51:32, 1:16:53, 1:16:56) RU-vid bans my comments sometimes, so my main comment didn't show up for everyone. Here's the other most popular one: Bobbins: 4 (07:00, 09:47, 40:08, 1:19:46)

@amoswittenbergsmusings 2 года назад

The Godfather was my favourite movie. Until tonight. This was beyond epic. On the subject of solace gained from CtC: I enjoyed the solitude of lockdown early on but in later phases chronic depression with ensuing bouts of derealisation made an unwelcome comeback. CtC helped me regaining a sense of real life numerous times - not only Mark and Simon's solves, gentle humour and obvious goodheartedness, but also in no small measure the community right here in the comments. Respect, friendliness and a natural atmosphere of civility and communication with so many diverse people with good minds and good manners is a rarity, it seems, these days. On so many levels CtC is a phenomenal public service.

@samtravis4822 2 года назад

Complete and utter madness. Completely and utterly mesmerising

@jessicaschirle5974 2 года назад

I got 97:10! Very happy with myself for attempting a puzzle that took Simon so long, and even happier that I was within his ballpark for the solve!!!

@kymgumbley9445 2 года назад

I never thought so many people suffered from insomnia like me and used the channel to fall asleep at night! I love your voice Simon it is so soothing! Every night I cuddle with my weighted blanket and listen to you solve sudokus until I fall asleep! It is the perfect combo I 100% recommend! Thank you so much! ❤

@Keyboardje 2 года назад

I suffer from insomnia too, but for me it works just the other way around. Listening to Simon makes absolutely sure I DON'T fall asleep, as I get so into the logic of him solving it!

@themakeityourselfrecipegir6819 2 года назад

I’ve learned about sudoku from this channel, never knew what it actually was before the pandemic, and I’ve been able to deal with extreme anxiety with the help of watching these two super smart guys solve puzzles. Thanks for such a fun channel it really has been a hi lite over the past year

@leojs5673 2 года назад

In today’s episode of the CTC Cinematic Universe, Doctor Anthony explores the Sudokuverse of Madness with his powerful ally the Scarlet Goodliffe, harbinger of the chaos pencilmarks! Will they solve the madness or succumb? Find out right now, only on RU-vid!

@susanne5803 2 года назад

Underscored dramatically by the new "Silent Soundtrack" - an Oscar worthy creation composed by none other than Hans Zimmer and Lisa Gerrard. Guitar outro by the great artist - Dr. Anthony himself. 🤗

@KyleBaran90 2 года назад

At this point, my CTC bingo card is going to move Maverick to the free space

@Nawjo 2 года назад

A pleasure to watch you solve the puzzle. I would never had tried one so difficult, at least yet. I'm learning a lot with your videos. And one of the few times you will see Simon pencil mark so many digits in a cell!

@davidrattner9 2 года назад

Wow..what an honor and privelage..back to back hour and 15 minutes plus solves. Time to buckle down, get comfy, cozy under a blanket while drinking hot chocolate and eating snacks

@jonathanharsh7434 2 года назад

54:14 for me. Not going to lie, when I figured out the break-in for this puzzle, I legitimately cackled. That was such a cool, cruel trick pulled off seamlessly by the constructor.

@ChrisMoewesBystrom 2 года назад

Despite enjoying the logic and hijinks of your videos I have been know to nod off thanks to your dulcet tones. It usually results in a re-watch on my part when I realize I've nodded off.

@robertbaillargeon3683 2 года назад

This channel is an excellent way to relax just before falling asleep. It provides as much mental stimulation as anyone could possibly need to take their mind off of everything else, but it's also low-stakes, slightly rhythmic and generally soothing.

@Zardox2 2 года назад

I actually HAVE recommended the channel to friends who mentioned insomnia! I often feel bad when I get sleepy... because I want to see the rest of the solve. And if I have seen both videos for the day, but have trouble falling asleep, I scroll back to earlier videos... or a long one I have already viewed. 😁

@defseph2895 2 года назад

It took me 4 days to get through a video once because I kept falling asleep after 10 min from the previous point.

@Zardox2 2 года назад

Post script- Laying down, after physical therapy, relaxing with the video... maybe take a nap, when... No... not a "Maverick", but a brass band passes by my window. Now before you say "How random!", let me tell you, I live in New Orleans... so a fairly common occurrence. 😳😁 So much for falling asleep to Simon's relaxing voice. 🤷🏼‍♀️

@Nimit090 10 месяцев назад

I managed to solve this one in 72 minutes. Dedicate this one to Simon. A few months ago when I started following this channel, I would not even have been able to put a pencil mark in this puzzle, forget getting a digit even. And now I am able to solve the entire puzzle breaking down complex logic. Simon, you are an amazing teacher!

@neverthelessthesun1428 2 года назад

I definitely use your videos as sleep aids, and they are exceptional. I have also found I enjoy following the logic and puzzling adventures when fully awake! You're doing double duty for me!

@robertghazaryan1029 2 года назад

1h50m but well worth the effort!! When I saw the 90 minute solve, I knew immediately I need to color the whole greed and do math. Got the middle 7 in 15 minutes, was very proud. Would have no idea without watching CTC for this long, thank you Simon and Mark for your efforts and these amazing puzzles!

@katieoconnor761 2 года назад

I fall asleep to these videos every night. The perfect way to clear my head of worries brought on by my anxiety. I had such bad insomnia before I found this channel, and it’s so much better now.

@Raye938 Год назад

A year late, but this channel got me into Sudoku all because of Simon and his bobbins. Very calming and relaxing to watch before bed.

@raspberrytelly 2 года назад

I am a sudoko fanatic but I watch your videos while I try to go to sleep as I have a hard time sleeping when I am stressed! You are doing fab work!

@karimamri4831 2 года назад

I love watching mark and simon entering godmode on every single puzzle they do

@SPECkle84 2 года назад

Hello, new-ish solver, thank you for showcasing difficult and approachable sudokus. I have improved so much in the past two months. Funny enough, I watch CTC at night before bed to help me relax and learn new techniques

@bristolrovers27 2 года назад

Some excellent Goodliffing around the hour mark !! Wonderful puzzle and a happy Simon in his element is a joy to behold

@offtheball87 2 года назад

Just wanna say, I'm one of those people who uses your channel to help me sleep. I do love watching your videos in my spare time, but when I'm trying to sleep, I queue up a couple of your videos and it helps keep my anxiety quiet. I recommend your channel to anyone in my life who I think could benefit. It's certainly been a huge help to me over the past several months.

@magnumpolmatier8184 2 года назад

I think I started watching your videos on sleepless nights as well. I never really liked sudoku before, but I’m basically obsessed nowadays. I try the puzzles that you work on, but I’m extremely lucky when I don’t break them. Your solving is a thing of beauty. The puzzles are beautiful.

@GspyG Год назад

Ever since I had a baby I had insomnia. This is probably the only thing I can watch and enjoy that helps me sleep at night. For some reason puzzles and math (specifically in your voice) keeps my anxious brain from being.... Anxious 😰

@CarolynDesign 2 года назад

Oh I am so beyond pleased with myself! I managed to solve this one alone, though it did take me just under two hours to finish. I'm so glad I persevered through, though! I'm about to watch and see if you broke into it using math like I did, or if there was some simpler way to do it that I missed. It was immensely satisfying to put that 7 in the middle, though.

@garrettsmith8562 2 года назад

I've been having a rough time recently and have found that the simple problems that are solved in less than an hour (well, most of the time) have been nice. The soothing tone you have helps a lot and the fact that you bring us along for the ride and don't just mysteriously know what the right solution leaving us wondering how you got there is great! Thank you guys!

@garrettsmith9788 2 года назад

I saw your comment and immediately said I don’t remember making it.

@davidstorrs 2 года назад

I hope things have improved for you.

@dwagyn2202 2 года назад

I literally turned this on because I was having a weird anxiety spell and I wanted to watch something that I find calming. Your videos are both fun and relaxing, thank you very much ! :)

@longwaytotipperary 2 года назад

Parhelion (also sun dog) is a bright spot on one or both sides of the sun. Simon's mellifluous voice has soothed my anxiety many times. I watch the video to learn more about sudoku and listen to relax and sometimes to ease into sleep.

@tym6217 2 года назад

I enjoy this channel for both the logic of the puzzles themselves and the anxiety relieving properties. I usually watch the daily videos in bed and they often help me sleep. When i wake up in the morning i rewind the video to last point i remembered in the solve and then watch the rest.

@nathaniel4845 2 года назад

I watch your videos after a long day of teaching music. Great for relaxing and exercises my brain! I especially love the long videos because we get to see your thought process even if you get stumped!

@romainruwet1581 2 года назад

Nothing more enjoyable than opening a bottle of wine for 1 and a half hours with Simon!

@MarkyMark8484 Год назад

I can also say that you have a very calming voice when doing these puzzles. Even tho I have no Soduko knowledge, watching you do these intense puzzles is very interesting and I love watching you figure these out. You have such a brilliant mind. I often put this on in the background just for your voice. It's really relaxing.

@goronhead 2 года назад

I was actually talking with a friend earlier about how this channel (especially your longer ones, Simon) are nice to get comfortable and fall asleep to.

@ChairboyRules 2 года назад

I totally use the video to relax to and zone out with, thanks for the support your videos have given over the last 18 months and more.

@TomHickey 2 года назад

Great solve Simon. The tug of war by the multiple diagonals was quite the battle. The break in was quite nice

@jaeusa160 2 года назад

Dr Simon and the Sudokuverse of Madness

@chiarabernardi2705 2 года назад

didn't think i'd ever write this but: i definitely fall asleep to your puzzling all the time Simon! (in the good sense!)

@Swisswavey 2 года назад

If I told my family that I just spent over two and a half hours solving a sudoku I think they'd look at me funny. Brilliant puzzle. The best one I've done in ages (which is only about 3 weeks!) That shows the quality of puzzles on here. Chapeau. Loved it to bits. Thanks so much for setting and uploading, I'm really appreciative.

@Swisswavey 2 года назад

And to top that, I then watch an hour of a video of someone else solving that self same puzzle. I may well be going bonkers.

@Pyromonkey83 2 года назад

Hey Simon, I found this puzzle extremely difficult to break into (I think as intended with the set theory just like you did, but I took much longer to figure it out), but in the middle I think you missed a key item. When you were doing all of the diagonal forcing, there was a quite easy way to make a lot of forward progress by looking at whether or not 7 could be put into the 19 cage in box 9. If it was, it would force the cage to be 1279, which would then force the top row of the box to be 5-4-3 in precisely that order. due to the 3-4 pair in c7 above it and the constraint on the 23 diagonal. It would also force r9c4 to be a 2, as both box 7 and 9 have a 1 in r89. This now forces a 1 into r7c1, forces the two other cells on the 11 diagonal in box 7 to add to 8, and forces a 2-7 pair in r7c23, which is broken, as r8c3 can be neither a 6 nor a 1 to add to the required 8 for the 11 diagonal. Therefore, r7c9 must be a 7, forcing 3 into the 19 cage along with the 9, and the only two available digits to add to the remaining 7 needed are 2 and 5, allowing you to complete the top row of box 9. From there, you can force box 7, which will then force box 1, and the 11, 26, and 23 diagonals are all forced as well. From there, there is still work to be done, but it becomes a much easier solve without needing to keep track of 4 diagonals in your head. :D I still enjoyed your rendition though!

@ulol609 2 года назад

I've been having sleep problems for 10 years or as long as i can remember (only 18 years old) and i've tried everything, And watching these videos make me just think of the Sudoku and make so i don't think of everything. I start to think at everything and simulate ideas/theories and just Generally think much much more when I'm trying to sleep and this help me by just focusing on something else and 1 thing, Which really make me relax. The Longer and more complex the puzzels are the better, The "from Hell" videos you have made which are 1 hour+ i've watched probs 10 times or so as it's like listening to a Audio book but you do not have to use your brain to paint a picture of what the book is describing. And with movies it's to much Action and sounds but this is just Numbers, Squares and 1 voice.

@DerPipi666 2 года назад

Same for me! I'm very bad at falling asleep for the same reasons, but after 15 minutes of ctc I get to sleep right away. Sometimes it takes a week for me to watch a whole solve (in small portions)

@ulol609 2 года назад

@@DerPipi666 yeah same for me but i need to Watch up to an hour so watch the longer videos more than once :p

@arwensperry6463 2 года назад

I actually use these vids to fall asleep. It's a very friendly and calming channel and I sleep better thanks to this channel

@abigail5762 2 года назад

Im not an insomniac, but I have been using these videos as a lullaby to fall asleep to over the past 3-4 months

@Raven-Creations 2 года назад

That was excellent (the puzzle, not the solve). My break-in, which was somewhat telegraphed, was identical to Simon's. I didn't have any of Simon's problems, at least not until the very end, when I seemed to have a deadly pattern, although that was resolved fairly easily. At 48:40, the cage in box 9 is way more powerful than Simon realises. It can't contain 7, because that would put a 12 pair on R9, making R9C4 impossible. Therefore the 7 is in R7C9. This also means the cage contains 3, and the rest can only be 25, with 1 in R7C7. This has an impact around the grid, taking degrees of freedom away from the arrows quite quickly. Because the white cells in box 7 add up to 8 or 9, R7C3 is a 6 or 7, but we've just placed the 7 in R7, so it can only be 6. This means the white cells on the 11 diagonal in box 7 now add up to 9, so the ends of the diagonal are both 1s, placing the 1 in box 7. The 6 rules out Simon's beloved 6767 option for the 26 diagonal, so it must have a 9 on it, which means it has two 9s on it. From there, it's pretty routine sudoku, not trivial, but nothing like the 40 minutes it took Simon from here. Just to be clear, in the following, I'm not trying to brow-beat Simon, or disrespect him. I'm trying to show him where he can make big improvements in his solves very easily, and help avoid all this "I'm sorry if you're seeing something I'm not" malarkey. A beneficial effect for me would be that my liver might recover from the "sorry" drinking game. I think Simon's problems were twofold. The first boiled down to having decent intuition, but not pursuing his hunches hard enough. Simply totting up the maximums on diagonals was not good enough here. It was necessary to check what the effect of using those maximum values would be elsewhere. In many cases, the options were much more limited than would appear at first. This of course was down to the skill of the setter, but Simon's urge to look elsewhere unless he sees obvious low-hanging fruit was his undoing. The other problem, an old one, is not properly following up on his last deduction/placement. Take the above as an example. When he placed the 7 on R9, he properly followed up by eliminating 7 from R9C9, but he never even checked for the effect of this elimination. This secondary effect of the placement of 7 was an absolutely crucial change, because it meant that 7 could no longer go in the cage, and had so many consequences that he could have easily sliced 30 minutes off his time. I've seen this failure to check the impact of a secondary effect so many times, and keep commenting on it. Deduction A leads to deduction B, which leads to deduction C. Simon usually spots B, but almost never even checks for C. I can imagine a setter like Shye using this to train Simon. She is good at devising puzzles that demonstrate specific techniques. If she were to arrange for all the major breakthroughs to be secondary effects of a placement, and where the solve is incredibly hard if they are not checked, this could be used to train Simon in the art of following the path.

@guilded0n3 2 года назад

I have to say it is kinda fun watching the smoke come out of your ears as you do these horrendous puzzles. After doing the massively complicated logic you start having more and more issues with your scanning and eliminating of options by normal sudoku. You do get there eventually every time but some of your logic may have been faster if you'd seen it sooner. I thoroughly enjoy all of your videos every time. I do bow to you and your mastery of logic. Even more so the people who set these puzzles and their massive brains.

@caffeinatedk937 2 года назад

I only just mentioned this channel in a session the other day. I love sudoku and have trouble sleeping, I told him how good the balance was with calming yet interesting in the videos, the long time stamp also helps. Of course there are times I get to into the puzzle to sleep but yeah this channel has helped me a lot thank you!

@AussieJohnny 2 года назад

It took me over three hours to complete the puzzle. Thanks to earlier Simon solves I understood the Phistomefel rule and I finally figured out the four 89 cells with the 7 in r5c5.

@gankro 2 года назад

did this one with my partner and god those corners really were brutal to resolve after the break-in. nice to see this one melted simon's brain as much as mine!

@VeritasUnae 2 года назад

Absolutely astonishing solve, hugs kudos to Simon and Shinya for this monstrous achievement!

@crabmantrashwalker 2 года назад

ive been recommending these videos to tons of people... cause its the best channel ever. great community

@rakma525 2 года назад

I've noticed a simpler way to rule out r6c2 from being 9 when around 44:50. Using the 11 diagonal and the sum of box 7, you can limit r7c3 to a 6|7 pair. If r6c2 becomes 9, the 26 diagonal is forced to place a 6 in r2c3, and the 7 in r6 is forced into r6c3. Now there are both a 6 and 7 in c3, preventing r7c3 from having any value.

@jdyerjdyer 2 года назад

Exactly how I did it! :)

@TildaM1994 2 года назад

I find you help me when my mind gets too much Simon so I guess I'm part of that demographic though I do also enjoy a good puzzle, made this channel my perfect anxiety go to really. I find you help when I'm anxious and Mark is good when I'm feeling depressed it's a strange but perfect blend and has me coming back to your channel whenever my life is in upheaval. I also downloaded Svens sudoku pad off steam and joined your discord because your videos reignited my love of sudoku and puzzling in general.

@harrynixon6379 2 года назад

On top of anxiety and a good sleep the puzzles are great to run along side the videos!

@ToSGod 2 года назад

Yea, I love listening to your videos at night. As I go to bed I listen to your videos every night.

@columbus8myhw 2 года назад

Simon, a tip: It's easy to update the degrees of freedom without re-adding the column, simply subtract the difference between the old maximum and the new maximum Stop thinking of "degrees of freedom" as a convenient descriptive tool and start thinking of them as a legitimate problem-solving tool

@jasonshaw8094 2 года назад

is it just me or does the line between column 1 and 2 look like it's beating like a heart? That must be one of the nicest puzzles i've had the pleasure of watching you solve well done simon...

@tiemen9095 2 года назад

This one took me multiple days but it was so rewarding that eventually I managed to solve it. But only thanks to all the things I learned from CtC! Otherwise I'd have never heard of set theory and its uses.

@TomiPVideos 2 года назад

This puzzle was astonishing!! Loved every second of solving it!

@Jukka70 2 года назад

Absolutely right Simon. It very much helps me. I love watching Sudoku, but it's also so relaxing. and Danny is right, when you do it, it really is like when Bob Ross would paint. It's just a soothing time on the video, and you voice is like how his was, just relaxing. And it's one of the reasons I became a Patron

@MCChubbyUnicorn Год назад

This channel really helps me fall asleep sometimes. It's a shame, because I miss half of the solve, but sleep is way more important

@nickjayyoung7662 2 года назад

Enjoyed watching you solve the puzzle. I do like the fact that you explained the Phistomefel Ring with the completed puzzle, that helps illustrate the truth behind the "theory".

@MarushiaDark316 2 года назад

Really incredible solve, Simon. Take a bow.

@byeolbyeoll 2 года назад

The way you say that it helps people with anxiety and insomnia and I’m having an anxiety attack at 2am and watching this as a coping mechanism is kinda funny; love your content and it is genuinely so helpful with mental health Also helps me stimulate my brain a lot and I love how you problem solve!!

@brianontiveros-kersch2412 2 года назад

I just started doing Sudoku as a result of CTC. I tend to mark my progress by how much longer I take than Simon to finish them. No chance I'm going to attempt a puzzle that took him 90 minutes