Is It Possible To Solve This?

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** TODAY'S PUZZLE **
An absolutely extraordinary debut puzzle today from Yawnus and their sudoku, Lonely Killers. It's easy to get misled by the simple ruleset into thinking this will be a quick solve but the logic embedded into this one is subtle and wonderful. A VERY memorable construction.
Play the puzzle at the link below:
sudokupad.app/dFn78qGdrD
Rules:
Normal sudoku rules apply. Digits cannot repeat within a cage. All cage totals are unique and nonconsecutive. Eg if one cage contains digits summing to 10 then no cage can contain digits summing to 11 or 9.
** PATREON BONUSES **
Simon's latest foray into the world of Islands Of Insight is available now.
They'll also be a bonus crossword video from Simon and his solve of Region Geometry by Emre Kolotoğlu (3hr 36min long...!) released over the weekend. And Simon's discussion video about Dean Mayer's Sunday Times crossword from last weekend will appear at 1minute past midnight on Sunday morning (which is the moment that competition has ended.)
/ crackingthecryptic
** ISLANDS OF INSIGHT STREAM **
We streamed Islands Of Insight again on Tuesday night! If you missed it, you can watch it at the link below:
ru-vid.comKE7RLE9OH9g
** KICKSTARTER - DELIVERED 24 December 2023 **
Our Kickstarter has finished and we've created the finished novella/puzzle collection for you. It was delivered on Christmas Eve so check your inboxes!
www.kickstarter.com/projects/...
** ORDER OUR NEW BOOK AT THIS LINK **
If you would like to get hold of a physical copy of our new book, Cracking The Cryptic's Greatest Hits - Volume 2, there is still a chance. Visit the link below:
bean-games.pledgemanager.com/...
▶ SUDOKU PAD - Use Our Software For Your Puzzles ◀
You can input classic sudoku puzzles into our software and help support Sven, the programmer responsible for the wonderful user interface we all use to play these puzzles everyday. The app also comes with 12 handmade puzzles from us:
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Android:
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ALSO on Amazon: Search for “SudokuPad”
▶ Contents Of This Video ◀
0:00 Theme music, puzzle intro & RULES
1:26 New Islands Of Insight video on Patreon
1:40 Should We Stream Dungeons & Diagrams?
2:09 Happy Birthdays
3:48 Rules redux
4:07 Start of Solve: Let's Get Cracking
▶ Contact Us ◀
Twitter: @Cracking The Cryptic
email: crackingthecryptic@gmail.com
Our PO Box address:
Simon Anthony & Mark Goodliffe
Box 102
56 Gloucester Road
London
SW7 4UB
(Please note to use our real names rather than 'Cracking The Cryptic'.)
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Опубликовано:

14 июн 2024

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Комментарии : 193

@joonaspohjonen4662 2 месяца назад

Three years ago, Simon introduced me to the art of Sudoku when I stumbled onto one of the CTC videos. Now, it is truly a great honor to have one of my own puzzles featured on this wonderful channel. Thank you, Simon, for the inspiration and for the great solve! -Yawnus

@thescrewfly 2 месяца назад

Impressive puzzle.

@thomasstuder1624 2 месяца назад

That was a very enjoyable puzzle.

@jasonveale8467 2 месяца назад

Where did you come up with this crazy idea? Great puzzle, and a a great solve by Simon. I do marvel at the ideas that these great setters come up with.

@BrentHurst13 2 месяца назад

Immediately one of my favorite puzzles on the channel (thanks to you) and immediately one of my favorite videos on the channel (thanks to you and to Simon). Wonderfully brilliant. This is going into the "first few videos I send people to introduce them to CTC" list. Can't wait to see more of your puzzles featured!

@Bluuuueee 2 месяца назад

One of the most enjoyable break-ins in a while :). Thank you Yawnus. Great puzzle!

@jimdavis2683 2 месяца назад

53:00 "I get 9 in box 3 as a result of sudoku... a little known technique sometimes used in these puzzles" delivered with a straight face. Never gets old for me.😀

@hakrj12 2 месяца назад

I don't even play Sudoku, I'm just addicted to these videos. It's like getting to watch someone crack the Enigma Machine every day.

@David_K_Booth 2 месяца назад

Listening on headphones, I can occasionally hear a bird singing outside Simon's open window. It's rather charming.

@MyriamTT 2 месяца назад

I love to hear the birds singing.

@user-pf3xv7nl7p 2 месяца назад

I heard the birds singing too, but when I paused the video I realized that these are the ones singing outside of my window)

@deltaangelfire 2 месяца назад

13:49 Leave it to simon to be on exactly the right track and all he had to do was keep going and include the 5 cages, but stops himself from finishing because he doesn't consider that it would do anything and then comes to the exact same conclusion from a sideways angle. knowing that there are 15 cages and the minimum is 6 in a 3 cell cage, going by 2s gets us to 34, and the maximum you can fit in a 5 cell cage is 35 leaving exactly 1 degree of freedom, meaning there can be one string of even digits and one string of odd digits, but no more than that. The minds of brilliant men function in mysterious ways :P

@damsonrhea 2 месяца назад

I know? He came up with some brilliant thoughts I would never find, and I was sitting here thinking "But you could have just kept counting.'

@penningmeestercgkdelft9159 2 месяца назад

Came here to mention the same thing 😀

@jonh6585 2 месяца назад

I actually followed Simon's method much more logically to me to actually get the 31,33,35 distributed and thought it flowed. I was worried seeing some of the comments it might be frustrating, but it did keep flowing and showed exactly where digits would come.

@olivier2553 2 месяца назад

@@jonh6585That's true for the distribution of 31, 33 & 35, but finding that there must be a serie of even cages followed by a serie of odd cages could still have been made much faster by just counting the total number of cages. There could only be 15 even cages from 6 to 34, 15 odd cages from 7 to 35, or even cages staring at 6 and odd cages ending at 35. The secret tells us there are odd cages, so we are in the last case.

@MaxPower417 2 месяца назад

Crying and throwing up, begging Simon to just count all the cages.

@megalamb 2 месяца назад

10’s consecutive with 13 now - The wonders of mathematics

@aoi7910 2 месяца назад

Cracking the Cryptic knowledge bomb there :D

@jimmyh2137 2 месяца назад

One of the many wonders of mathematics, you can define a set with 10 and 13 being consecutive inside that set. ...not the case for this Sudoku tho, silly Simon XD

@sskar9390 2 месяца назад

Naughty brain Ps: I don't like when Simon says it on himself, he has a wonderful brain

@caolanmoore4027 2 месяца назад

If I were to guess he probably wanted to give an example different to the one in the rules like say 12 but said 10 by accident, didn't realise and kept going

@MatthewBouyack 2 месяца назад

I love these puzzles where 40 minutes in nothing is in the grid and time has flown by just listening to Simon's brain work. Beautiful puzzle and excellent solve!

@snipperriffel 2 месяца назад

Oh man, Simon just needed to keep on his first train of thought. Including the 5 cell cages would have made him realise that he only had one degree of freedom. Sorry if he realises quickly, I'm only at the 15 minute mark!

@henriknobinder7395 2 месяца назад

I don't blame him for it though. I had the same immediate idea and abandoned it almost immediately once I realized that the 3-cell-cages alone weren't really restricted at all.

@dabarnhoorn 2 месяца назад

One degree of freedom that he also solved by analysing that at least two of the cages have an odd total

@gyan1010 2 месяца назад

Yeah, I'm about 14m in now wondering when he will see the 1 degree of freedom given all 15 cages in a range from 6-35. I saw that in about a minute myself and can't figure out how to use it so watching to get a hint of what to do when he realizes it.

@jsuperflyc 2 месяца назад

For the record, I feel honored at being told the secret every single time.

@jaega4247 2 месяца назад

I'm still convinced that MAveRicK is well aware of Simon's schedule...

@cryam6428 2 месяца назад

Made the same joke in my head. How often do you hear him fly by multiple times..

@chloemchll3774 2 месяца назад

Does anyone else picture Mark, doing his best Bond villain impersonation, “No Simon… I expect you to be mildly annoyed”? Just me?

@13vatra 2 месяца назад

One of these days CTC is going to do an AMA stream and someone is going to ask Mark what his hobbies outside of puzzle solving are and it'll go something like this: Mark: "Well I've got my pilots license and love to take my vintage plane out when I can." Simon: "🤔 That's interesting (don't talk to me at parties) there is a vintage pla... Hold on 😮 ... Mavrick? 😱" Mark: "I don't know what you're talking about. 😏"

@msx80 2 месяца назад

There was a video in which Mark picked up the phone and said:"hi Maverick, he just started recording, you can take off". It was hilarious 😂

@jaega4247 2 месяца назад

@@msx80 For real? I need to know which one, if it really happened! 🤣

@nandaschuch 2 месяца назад

Every time you fly out of London, take a moment to think that your plane could be disrupting Simon's thoughts 😮

@bigmacdaddy68 2 месяца назад

44 minutes in, 2 digits placed. ...

@phoebedorn 2 месяца назад

thank you for the birthday wishes Simon :) 27 today! p.s. Peter subbed the chocolate cake out for tahini chocolate chip cookies... Although nothing truly beats a 1:1 ratio of cake to frosting, the cookies were still delicious. Such a great solve. Welcome to the channel Yawnus!

@annek3296 2 месяца назад

I am again flabbergasted & gob-smacked at Simon's problem-solving ability, ingenuity & tenacity. I'm a PhD mathematician, & I would love to see Simon spread his wings & fly from the 9x9 cage of sudoku to the wide skies of pure mathematics research (returning frequently to share his Sudoku songs with us, of course.) Maybe Full Deck & Missing a Few Cards & other mathematicians out there could give him some encouragement in this direction. I'm sure that within a few months he could be doing pure research in some area like combinatorics.

@stangerrits6712 2 месяца назад

The sudoku community will never let him go :)

@naomis2 2 месяца назад

I have nowhere near the ability to play these versions of Sudoku. Yet I can’t get enough of Simon’s skill and logic. I was listening all along and watching Simon figure everything out. Yet as he was beginning to fill in the numbers my brain couldn’t figure out how he got there! Absolutely loved this puzzle.

@johnh9749 2 месяца назад

Minimum cage size is 6, maximum is 35. However, only 5 cages can be greater than 24 as boxes 3 and 9 can only have one cage each greater than 24. Which gives you all the even numbers from 6 to 24. So the 5 cell cages in boxes 3 and 9 have to be odd. Given that the 4 cell cage in box 6 is at least 26, this makes columns 8 and 9 very constrained. Which gives that the 5 cell cages in boxes 3 and 9 have to be 31 and 33 and the 5 cell cage in box 4 is 35. Also means that the 9 in the 4 cell cage in box 6 has to be in column 7 and the other cells in columns 8 and 9 are minimised. Flowed nicely from there.

@dertigerbauch 2 месяца назад

That's the way, 45 minutes for me, now I'll watch the video

@laxpanther 2 месяца назад

I went a totally different direction on boxes 3 and 9. Once I realized that the 5 and 4 digit cages needed to be an odd and an even, 34 and 32 didn't work, because you can't fit 15 total cages while switching to odd somewhere down the line toward 6. So it has to be 31,33,35 for the 5 digit cages and between all the high numbers, it has to be 31 and 33 in box 3 and 9 - you need the flexibility that 35 doesn't give you to fit those digits in 2 columns. Vice versa with the 4 digit cages, as they need to be 12 and 14, and can't have any matching numbers beyond the required 1 and 2 (since 31+ can't have a 1 or 2). From there it was a fun exercise.... Great puzzle

@shantanunene4389 2 месяца назад

This was pretty much my break-in as well.

@grantfraser5430 2 месяца назад

Flowed nicely is putting it mildly. I quickly figured out the nature of the size 5 cages but I was 55 minutes in with nothing else before I realized the min/max solution to boxes 3,6,9. The puzzle then solved in 30 minutes from there. Quite possibly faster but I'm not very bright sometimes.

@SD_Racing 2 месяца назад

And here I am, struggling to solve a "hard" sudoku in under 30 minutes … the mental gymnastics in these videos baffles me.

@JRTJunk 2 месяца назад

"Solve counter 69. Like the puzzle: yes, it's very... nice." Nice.

@derekrocco4344 2 месяца назад

This is a *quality* puzzle. Thanks Yawnus!!!

@Lord_Volkner 2 месяца назад

I would never have figure that one out. Simon is to Sudoku what Magnus Carlsen is to chess. Truly amazing mental abilities.

@thefallenarm589 2 месяца назад

4:40 as Zven did a wonderful job, if you double clic an empty cell in a cage, it will select all cells of cages of the same size. Quick coloring mode : enabled ;D

@dmcdouga07 2 месяца назад

I believe it's just selecting like-colored cells while on color mode

@davidholt4327 2 месяца назад

Never have I been screaming internally as much as at the beginning of this solve! The break in of this one I found super easy! 1 degree of freedom if you consider all the cages and two of the boxes need to be even/odd parity so the low cages have to be evens down to 6 and uppers have to be odds up to 35. I'm not that far into the video but Simons solution is really going round the houses so far! Which is not to say I could have done anything with that ‐ I never try to solve these myself, and Simons brain is phenomenal - but I'm now 28 mins into the video and the cage values haven't fully fallen out of it yet.

@MarkBennet10001 2 месяца назад

That was a great feature -something Simon has not seen, that I did, and a multitude of things that Simon saw more quickly than I could think. And what a cool puzzle - to execute that ruleset so cleanly.

@gobsvensen 2 месяца назад

Minimizing all cages non-consecutively, makes the lowest a 6 and the highest a 34, but there must be at least two odd cages. Since there is one degree of freedom, there can only be one gap where it switches from low even cages to high odd cages. If a 4 cell cage is odd, it is a max of 29 and all 5 cell cage have to be odd to make the 31, 33, and 35. So the 4 cell cages in boxes 3 and 9 cannot be odd, the 5 cell cages are odd and if either tries to be below 30 and odd it forces all 5 cell cages to be 31+ odd cages, so that breaks, so you can get the 5 cell cages in boxes 3 and 9 to both be 31-35 and odd. That makes the two 4 cell cages 10-14 and even.

@KnittingbyPhrancko 2 месяца назад

What a spectacular solve of a great puzzle! You continue to amaze me, Simon.

@acantilado 2 месяца назад

Wow this is an incredible puzzle- hope to see more from Yawnus!

@MRichK 2 месяца назад

Wow, that was interesting how you had to deduce so much before you could fill in.

@emilywilliams3237 2 месяца назад

This puzzle felt much more difficult as I watched you figure out the way the cages were going to work than the actual entering of the digits turned out to be. Thanks for this, Simon, always a pleasure.

@MyriamTT 2 месяца назад

I liked this puzzle. Thank you !

@zach31194 2 месяца назад

27:05 anyone else shouting about the cages? Or just me? ((15-1) * 2) + 6 = 34 ((15-1) * 2) + 7 = 35 So there is only 1 degree of freedom, so therefore the 5 cell cages must all be greater than 30. It doesn’t give you the even/odd split but if Simon had just continued his thought to include the 5 cell cages, he would have saved himself so much time. I had to 2x thru the video because I couldn’t unsee my deduction.

@Raven-Creations Месяц назад

Wow! What a remarkable puzzle. I can't recall another puzzle that needed so much analysis to get to the break in. The key for me was realising that the 5-cell cage on the left had to be 35. Everything flowed quite smoothly from there, although I did have the benefit of a pad to cross off the sums which were accounted for. Well done keeping track of everything in your head.

@ericpraline1302 2 месяца назад

Interesting concept for a puzzle, thanks. Reasonably happy with my solve, though I did have to make a few notes and as per Simon appreciated a few things I missed.

@alienrenders 2 месяца назад

26:50 is my time. Probably one of my personal favorite solves of all time. The logic was just incredible. Searching for when the even cages turned to odd and realizing what that meant for the really big cages (sum-wise) is a little crazy. Loved it! Gonna watch the video now... just noticed it's an hour... WOW I'm guessing Simon took a while to figure out the big cages at the start because after that, it flowed really nicely. Gonna find out now...

@grantfraser5430 2 месяца назад

Nice, that would have been about my time too but I got stuck for almost an hour on part 2 of the break-in. Great flow, brilliant construction.

@longwaytotipperary 2 месяца назад

Love hearing the birds outside Simon’s window! Enjoyed the puzzle!

@CaptainSpock1701 2 месяца назад

1:23 - "So do have a go at it - If you have *_a few minutes_* spare" Simon, you crack me up!

@shantanunene4389 2 месяца назад

Extremely fun puzzle! All the deductions seemed very logical and flowed very nicely. Took me almost exactly 60 mins.

@NorkasLP 2 месяца назад

Oh, this was a tough, but incredible puzzle. Glad to see it featured.

@iambicpentakill 2 месяца назад

I love the puzzles with simple rules

@michielgerretzen9777 2 месяца назад

Usually (understatement) I am not able to solve the puzzles without peeking at the video and looking for a hint. This time, I managed to find the break in after a couple of minutes........... So proud of myself 🙂

@mattsal8315 2 месяца назад

Hey Simon, love watching your puzzles and solves. You can't turn off Maverick, but maybe change the notification settings on your phone? Buzz buzz!

@chloemchll3774 2 месяца назад

I feel like Simon got too focused in early and missed the big picture. The very first thing I noticed is that across all 15 cages, you have 1 degree of freedom, and that in turn will be eaten up by the flip from even to odd necessary by the cages in boxes 3 and 9. This means the values over 30 must be in the 5 cell cages in boxes 3 and 9 and both must be odd (so from 31 33 and 35). I’m not gonna pretend the rest of my solve was nearly as fluid as this but it feels like he tried to focus on the details before understanding the big picture.

@HeartsOfGrey 2 месяца назад

Took me 184 minutes, but i solved it without needing help.

@grantfraser5430 2 месяца назад

My time also. Haven't watched the video yet but I was able to solve without set theory.

@_P2M_ 2 месяца назад

The 3 5-cages would have to have a total above 30. There are 15 cages, and to get the minimum sum of totals, you'd get 15 even totals from 6 to 34. So there's a gap of 1 here, because the 5-cages can go up to 35. This gap could go anywhere from 6 to 35, meaning either every total is odd if the gap is at 6, every total is even if the gap is at 35, or somewhere inbetween, it switches from even to odd totals because there'd be a gap of size 2. And it's clearly the third option, since boxes 3 and 9 both require even and odd totals. And from your logic that the totals are even from 6 to at least 24, and with the minimum odd number in boxes 3 and 9 being 31, it stands to reason that the remaining 2 totals above 31 have to be 33 and 35, and those can only be fulfilled by the 5-cages. So yeah, the 5-cages' totals have to be 31, 33, and 35.

@MasterHigure 2 месяца назад

13:40 "My intuition is so off" And I'm screaming at him (two weeks late, I might add), that if he just includes the 5-cell cages in the reasoning he started, he would get that there is a single degree of freedom on the cage values. It's not often I scream loudly enough to actually write a comment, but this time the thing I want to scream isn't "But look at this one thing that I noticed that you didn't" or "Remember that thing you forgot 5 seconds / 5 minutes ago", it's "Yes, keep doing the thing you're doing, don't stop". And I feel that that's a qualitatively different thing to scream.

@michaeldakin1474 Месяц назад

I love killer sudoku, but I confess I had difficulty completing this on my first attempt… but as a testament to having another go, I really enjoyed it! As others have said, with a total of 15 cages, there is a total of 15 possible cage totals, but they are in pairings of 6/7, 8/9, and so on up to 34/35. This leads to the observation that each time you select an odd number, you force all numbers higher than it to be odd and, conversely, each time you select an even number, you force all numbers less than it to be even. Considering boxes 3 and 9, it becomes clear that there must be both even and odd numbers, thus both 6 and 35 are cage totals. Working from the higher numbers first, and confirming 35 not 34… if you select 34, all numbers are even and boxes 3 and 9 break. Similarly, if you the select 32, you only have one odd number (35 already selected) and one or other of boxes 3 and 9 breaks. If you now select 30, you are effectively placing 33 and 35 (which must both be in 5 digit cages) in boxes 3 and 9, and you run into the problem that you don’t have enough value remaining to fill the remaining cells in columns 8 and 9. Therefore, not only does this mean selecting 31, but 31 must also be the total of one or other of the 5 cell cages in boxes 3 and 9, with the other being 33 or 35… this now also satisfies all three 5 cell cages. Noting that the 4cell cage corresponding with the 31 cage has a total of 14, all the numbers less than 14 are now even. Also, noting that the 5 cell cages are fully subscribed, 26/27 and 28/29 are both 4 cell cages, and the remaining 4 cell cage in box 3 or 9 must be 10 or 12… Thus, counting the 4cell cages, the totals of 10 and 12, together, represent a 3 cell and a 4 cell cage, meaning 16/17 to 24/25 must all be 3 cell cages - this also means selecting 24 not 25 (cannot put 25 in 3 cells), so all 3 cell cages are even. At this point the parity of 26/27 and 28/29 is yet to be determined, but the 4 cell cage in box 6 must be at least 26, so minimising the totals of the 5 cell cages in boxes 3 and 9, and also minimising the portion of the 4 cell cage in box 6 that also sits in columns 8 and 9, provides the break-in point to the puzzle. Great puzzle and very satisfying!

@yapayzeka3183 2 месяца назад

beautiful puzzle

@theema0502 2 месяца назад

Is it possible to solve this? Well, I think yes. Otherwise we would not be able to see this

@penningmeestercgkdelft9159 2 месяца назад

It usually is a consolation to me that, whenever Simon may be stuck in a puzzle, the happy end is just guaranteed by the mere fact that we're watching the video! Indeed, there is balm in Gilead 🙂

@tessabrisac7423 2 месяца назад

😂

@MAUOMBO 2 месяца назад

great solve

@kittereen 2 месяца назад

I don't normally attempt 4* difficulty puzzles, but the rules on this were too intriguing. Once I understood how everything fit together it was beautiful. Thanks for choosing this one, I would not have solved it otherwise!

@ddimin 2 месяца назад

Beautiful puzzle. Took me almost 3 hours to crack it. I loved that the ruleset is so simple and that it gives rise to a unique logic.

@grantfraser5430 2 месяца назад

I feel your pain. Congratulations for sticking with it. If I've gone nowhere after an hour, I usually give up and start getting hints from Simon. He has such incredible insight into the nature of any puzzle.

@titusadduxas 2 месяца назад

1:49:06 - Wow! Congratulations Yawnus. What a fantastic debut puzzle It took me ages to work it through but I loved every minute of it. Brilliant puzzle.

@TurquoizeGoldscraper 2 месяца назад

I tried it, made a few realizations about the cage totals, and couldn't get one digit. I am impressed that you figured it out Simon. Plus I get to hear lines like "might as well do Sudoku".

@ninj1an 2 месяца назад

"Solve counter, 69. Do I like the puzzle? Yes it's very... Nice" Well played, Simon. Well played.

@NinjarioPicmin 2 месяца назад

Whoa, Last Call BBS and Dungeons and Diagrams? Sign me up! I've been having a blast with it a while ago.

@monkerud2108 2 месяца назад

it is much more restrictive if you think about all the cages at the start :P its 15 sums that can't be consecutive between 6 and 35, and ignoring the degrees of freedom from even vs odd that is just 15 possibilities. so all the sums are in, it is consecutive in the evens odds, or first in the evens and then in the odds with an even and an odd in between.

@frankjiang1857 2 месяца назад

Finished in 41:18. I needed to take a break in solving it as I hadn't had lunch yet, but as I was noodling over the puzzle while eating my lunch, I had a Eureka moment for the break-in with the 3 boxes on the right hand side. I made sure to finish my lunch though as otherwise, I don't think I would have had the fuel to continue from the break-in quickly. Excellent break-in and fun puzzle!

@nakorbluerider 2 месяца назад

Oh my goodness, I can't even really put my finger on exactly why, but I had so much fun doing this solve. Finding that logic in the right two columns that forced five cells to sum to a maximum of a single cell felt like such a brilliant discovery. And then all the rest of the way through the solve it was somehow shocking how everything only could work out one exact way, somehow feeling both unbelievable that it was the case, and yet not that hard to follow along with once you were past that first hurdle. 53:10 for me, I got the first digits after about 25 mins but my solving speed is nowhere near Simon's after, but I can say that I was grinning like a fool for the entire back half of the solve. Yawnus, thank you so much for gracing us with this one!

@flsal27 2 месяца назад

This is credible! A Sudoku grid with absolutely no digit to start: none in the grill, none outside the grill, none attached to the cages, none in the rules! OMG!

@pairot01 2 месяца назад

What a devilishly holistic puzzle

@Poet13xRatedRKO 2 месяца назад

Yes it is! I got it in 46:46. Nice logic to deduce the cage sums.

@Gonzalo_Garcia_ 2 месяца назад

20:58 for me. Wow, loved this one so much. Awesome puzzle!!

@MattYDdraig 2 месяца назад

32:25 Some very beautiful logic which flowed smoothly from one step to the next. Incredible debut.

@CauchyIntegralFormula 2 месяца назад

33m32s. I had a good time working out what the sums had to be and where they had to be located. I was pleasantly surprised with how the sums kind of fell into place once I got the 8 over in box 4

@SosInChess 2 месяца назад

25:00 The way I used a completely different proof to get here is INSANE. Here is mine: 1. We know that box 3 comprises of 2 cages adding up to 45 (an odd number). So pne of the cages sums up to odd number and the other to an even number. 2. Let's try to assign the cage values across ALL cages starting from minimum all the way up to maximum one. Since we have 15 cages in total, we get: 6, 8,..., 32, 34. Since 5-cell cages max out at 35, we have one degree of freedom. Let's call that a "Switch". 3. When we use that Switch, we not only change the parity of the number we used in upon, but also the numbers greater than it. Here is the example with 14: 6, 8, 10, 12, 15, 17,..., 31, 33, 35. We can't Switch 14 to 16 as we run out of space. Keep that in mind as we will now prove 2 things: 1) 4-cell cage can't be odd; 2) 5-cell cage must add to 31, 33 or 35. 4. Let's assume 4-cell cage is odd. Now it maxes itself out at 29 (biggest odd number 4-cell cage can add up to). So by the time we get to 29, the Switch had already been activated. That also means that 31, 33 and 35 will be among cages' sums (see step 3). This trio of sums is 5-cell cage 'exclusive' and we have exactly 3 5-cell cages to distribute them in. But that will break the box 3 sum, since it will have 2 odd cages summarizing to even but 45 ain't even. So 5-cell cage is odd and 4-cell cage is even. 5. If a 5-cell cage sums to odd number below 31, then we would still have to distribute 31, 33 and 35 sums across 5-cell cages (because of a Switch being activated early, see step 3). But the are too few cages available for that. Thus a 5-cell cage must add up to an odd number that is at least 31 (31, 33 or 35). Proof is done. The way of Simon and me approaching this from 2 different sides and coming to the same conclusion is so beautiful.

@srwapo 2 месяца назад

51:14, but I had to look at the video to see how to use columns 8 and 9. I actually did the work to figure out what the sums of all the cages had to be, but didn't see how to start figuring out which sums went where. Still impressed how it the cages were resolved after the break in.

@jasonmetcalfe4695 2 месяца назад

This software totally needs an aide memoir for puzzles like this, it hurt my brain a bit Awesome to have both zz top and R.E.M referenced by simon though

@sprmn14 2 месяца назад

My 8 yo son just walked in, heard only one word, and said, “is that Simon, from Cracking the Cryptic? His first name should be Cracking, and his last name should be Cryptic, and his middle name should begin with T. It could be Timothy or something”

@monkerud2108 2 месяца назад

very nice

@bobsburgers8885 2 месяца назад

"Have a go if you have a few minutes to spare"... several hours later, and I have absolutely nothing. Not even a pencil mark.

@malcolmjohnson4414 2 месяца назад

That you have published the video I suspect that you can solve it

@futurefox128 2 месяца назад

50:48 for me. One of the most satisfying puzzles in a while!

@PathOfShrines 2 месяца назад

What a lovely idea. Quite amazing how it all starts falling into place! 56:47 for me.

@bait6652 2 месяца назад

The art of never using a pencil...wow Wish there was a notepad++ type editor on side so u can keep track of their mind working. For me, as pencilsolver , wrote down all the possible sums ...and then discovered how the Even and odd sums needed to jostle to suffice the rule (ie B6C7 digits) Got a bit stuck after that and came to watch the beginning only needed to watch the coloring of the 4 digit cages to realize what I forgot in my initial discoveries of the 4digitcagees then the puzzle went rather fast

@ilsekleibscheidel7219 2 месяца назад

I took a real pencil and a piece of paper instead:)

@andrewgrant6516 2 месяца назад

18:30 When Simon goes two tone and makes the board look like the TISWAS logo.

@tinakerr8163 2 месяца назад

I tackled this from a slightly different angle ie there are a limited number of ways to fill 3, 4 and 5 cell cages within the constraint, boxes 3 and 9 have to have an odd even combo and that means totals with be three apart and there is only just enough different totals to be three apart once with just the highest totals being odd.

@monkerud2108 2 месяца назад

there is 15 cages, 15 sums, non-consecutiveness forces a few things, first of all, if all the sums are even then there is no room at all to shift sums around all sums from 6 to 35( which is the maximum sum possible) must be included, there are 30 possible sums between 6 and 35 including both, 15 sums possible with no consecutive sum values. they can run from 6 to 34 if even, 7 to 35 if odd, and 6 to 35 if there is a transition from even to odd sums, in which case at the transition there is a gap of 3 between the sums instead of the 2 between the other sums. that characterizes all the possible arrangements of sums. it is not however possible for the lowest sum to be 7 and for there to be a transition to even sums, if the smallest sum is 7 then all sums have to be odd. it is also not possible to start with even and then switch to odd, and then switch back to even. so what we are looking at just from the rules and from the box numbers is one series of even sums and one series of odd sums, individually consecutive in their parity, with a transition between them, where the odd series starts 3 above where the even ends, or we are looking at just the consecutive even or odd sums. now the maximums become important for the ordering, the 5 cages have a maximum of 35, the 4 cages have a maximum of 30, so the 3 5 cages must have a value of either 34 or 35 for the largest sum, the second largest must have a value of 32 or 33 because of the possible sequences it can reside in, the third largest does not necessarily have to be as large, because a 4 cage could be 30, but if we live in a universe where this end section is odd, then the third 5 cage has to be 30 or 31, if we are in an even world up to and including the smallest 5 sum, then the smallest five sum can potentially have its minimum sum of 15 and any sum between 15 and 30 potentially. pretty cool puzzle :D

@monkerud2108 2 месяца назад

from there, the 4 cages can be 30, 28,..,24 , 29,27,...,21 , 28,26,...,22 ... a lot of them necessarily have to land near the maximum consecutive sums. there is just one option for taking a 5 cage and mixing it in between the 4's and two options for mixing in three cage sums. interesting starting point :P

@NinjarioPicmin 2 месяца назад

Video title: "Is It Possible To Solve This?" Me seeing a 1:02:06 video of it being solved: "Hmm is it?"

@angec9908 Месяц назад

Maverick always knows. I really think Simon should check his office for bugs 🛫😈

@fussyboy2000 2 месяца назад

All that work repaid with two songs!

@grrrthemad1595 2 месяца назад

I feel your pain, Simon. Maverick distracted me too, and I just can't get it back.

@janjanowski9653 2 месяца назад

Hi. Anyone have idea why link under video redirect to SudokuPad but there is no sudoku to solve (Mac 10.12; safari). Thanks in advance for any suggestions.

@joelstevens5670 2 месяца назад

It’s a really clever set up but I’m not so sure it was the most obvious of solve paths (note that I’m referencing the thought process as opposed to difficulty level). I only realised the restriction on the pattern of odds/evens when looking at the comments and even then it took a moment to understand it correctly. An interesting debut but keeping track of the totals was a bit too troublesome. I enjoyed watching Simon’s solve though.

@Morgan423Z 2 месяца назад

Anyone else under the impression that Maverick has seen the channel and just flies circles around Simon's house to spite him?

@omarenm 2 месяца назад

This is the kind of puzzle I do not like. It feels more like homework or a task that you have to brute force by calculating all possible alternatives to find your way around it.

@henriknobinder7395 2 месяца назад

Honestly surprising to hear that you'll tackle a Zachtronics game but also a little exciting. Last Call BBS is a very unique experience and Dungeons & Diagrams is probably the closest thing they ever did to a traditional puzzle game. I do love all of their games, though, but the other ones are more like programming puzzles rather than the games you typically tackle.

@brianagnes 2 месяца назад

the much easier way to get counts on right 3 boxes is if boxes are 31 + 35 = 66 then remaining 4 cell cages in those boxes are 24 which puts 12 in col 8 and 123456 in col 7. That leaves 789 in box 6 col 7. Even if the 9 is used in 4 cell cage of box 6, you can't it make total 26 or more (9+6+5+4=24 ). This forces 7 or 8 into box 6 col 8 or 9 and makes 5 cell cages 31 (45679 or 35689) and 33 (xx789).

@grantfraser5430 2 месяца назад

Yup, that's the key. Wish it hadn't taken me 55 minutes to see it.

@Swisswavey 2 месяца назад

It's a very clever puzzle and not too difficult. Very elegant put together. Thanks for sharing it.

@monkerud2108 2 месяца назад

from there it is much easier to think about maxes and mins, two 5 cages must be above 30, two 3 cages must be 6,8 7,9 or 6,9, and two 4 cages must be between 24 and 29. so that is 6 cage sums already nailed down except from a choice of even odd boundary. much easier than to think about 8 3 cages independently :D. but it is always fun to watch you try to figure it out, sometimes you find stuff really easily and quickly and other times i think you miss super obvious stuff, so pretty much like my experience of my own reasoning lol.

@GregJonson 2 месяца назад

Another ludicrous hour-long puzzle where 40 minutes of brainstorming are required to place the first digit. :D

@ShakalDraconis 2 месяца назад

I wonder how much faster Simon could have broken into this if he'd gone the extra step of considering the 5 cell cages when doing the telephone pole calculus. 3 cell cages - 6-24, 8 cages, 4 degrees of freedom 3 AND 4 cell cages - 6-30, 12 cages, 2 degrees of freedom 3, 4, AND 5 cell cages, 6-35, 15 cages, 1 degree of freedom. So there is ONE gap of two where you change from the evens (low end) to odds (high end).

@JohnGottschalk 2 месяца назад

It took me about an hour to get where you did at the 30min mark, but couldn't find the way to break in, deduced that the 3 big cages needed to be 31, 33, 35 respectively, but not which was which. EDIT: finished it in about 5 hours 😅.

@harrisonlynch4701 2 месяца назад

An easier way to calculate the totals is to start with 6, since that’s the lowest number for the three cell cages. Since the minimum distance between the cages is two, you take the remaining seven and multiply them two. 14 + 6 =20

@andrewgrant6516 2 месяца назад

Simon, Simon, Simon, follow the rules. If you use everything from 6 to 24 on three cages, you can't have ANY MORE CAGES AT ALL!

@MichaelACromwell 2 месяца назад

Got it! How many days? Geez... 3 days.

@koenth2359 2 месяца назад

Simon to two girls at a party: Let'see, you're both odd and both over thirty...

@jsharvey1961 2 месяца назад

Spring and Maverick are in the air.

@monkerud2108 2 месяца назад

so it is then impossible for the sums of the 5 in the corner cages to be even at all. therefore there is either 3 maximized 5 cages, or an even 4 cage sum of 30, and the even 5 cage is smaller. that is possible. but then all other sums than the two 5 cages would be even with 100% certainty. but since we know these two cages now has to sum to 33, 35 or 31, then we know the even 4 cages has to sum to 14,12 or 10 in the corner boxes filled with cages. which means we found two 4 cages that interfere with the 3 cages, and the two others must be maximized, they must be 30, 28, 29 or 27. that nearly nails down the entire sequence :D. if the 5 cages are not all maximized then the remaining 5 cage has to be even, and all the other cages also have to be even. if not then the odd even transition can be anywhere, but all 5 cages are above 30 and two are odd. from there it is a little easier to proceed i think :P.

@monkerud2108 2 месяца назад

you end up with a series in the evens, which is equivalent to any series that is shifted to odd for the entire or part of it, that is in order first 8 3's, then 4 4's, then 3 5's, except from one shiftable 5 and two shiftable 4. the 4s can be shifted between 10 and 24 and to 30, but if the 5 cage sums are not maximized, the 4 cage sum must be 30, therefore no matter what you can only shift it there and so it is not really a degree of freedom as loose as the other ones. so a 4 cage 30 and a 5 and a 4 that can be shifted around to many positions, or two 4 cages that can be shifted around between 10 and 24 to move the 3 cage sums around. if the 30 sum is a 4 cage then ofc all the sums bellow are even. so many deductions to make just based on counting and the rules lol.