When A Digit Can Be In One Of Six Places And It Matters...!!

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** TODAY'S PUZZLE **
Yesterday we mentioned that it was blackjackfitz' birthday and today we try his puzzle: Rellik Loop - which is flying high at a 99% approval rating. It has a medium difficulty rating and is just wonderful throughout - a stunning debut, including one really amazing idea mid-solve.
Have a go at the puzzle here:
sudokupad.app/ka3olc7kq1
Rules:
Normal sudoku rules apply. Digits in a given killer cage must sum to the total in the top left hand corner. Digits separated by a black dot are in a 1 to 2 ratio. Digits separated by a white dot are consecutive. Draw a single, closed, 1-cell-wide loop that moves orthogonally through the centres of cells, and does not branch, overlap, or touch itself (not even diagonally). All of the purple diamond 'relliks' are on the loop. The loop creates a set of “rellik cages” where every discrete set of orthogonally connected loop cells within a single box is considered a rellik cage. In a rellik cage, any combination of one or more digits CANNOT sum to the rellik cage value. A rellik cage value is equal to the number of cells in the rellik cage. If the loop passes through a box multiple times, each individual segment is its own rellik cage. e.g. A 6 cell rellik cage may not contain (1,2,3), (1,5), (2,4) or a 6.
The puzzle Simon mentioned in the introduction is called Region Geometry and it's by Emre Kolotoğlu. If you have some minutes free, you can try it at the link below. We will make this 3hr 36min video available on Patreon in the coming days.
logic-masters.de/Raetselporta...
** CIRCLE SUMS by JESPER **
Simon's solve of this unbelievably good (and very challenging) sudoku is now available to watch on Patreon. It is over 2 hours long and is suitable only for those who enjoy movies...
/ crackingthecryptic
There's also a new sudoku hunt from Riffclown for our February competition! Get it here for just $2:
Other bonuses on Patreon currently include:
Simon's 2.5 hour solve of Roller Coaster Nurikabe
Mark's latest solve of The Times Club Monthly Special Crossword
** HEXCELLS STREAM **
Our latest Hexcells stream happened last night and you can watch it at the following link:
ru-vid.com7fsRf0Q28s8
** 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:
iOS:
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Steam: store.steampowered.com/app/17...
Android:
play.google.com/store/apps/de...
ALSO on Amazon: Search for “SudokuPad”
▶ Contents Of This Video ◀
0:00 Theme music & puzzle introduction
1:43 Patreon videos incoming
2:06 Region Geometry also incoming
2:37 Happy Birthdays
6:22 Rules
12:26 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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26 июн 2024

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Комментарии : 97

@seb3745 4 месяца назад

I used to watch the videos without considering to do the puzzle myself because i thought they would be too hard. However, it‘s so much more fun to watch them after doing the puzzle yourself. Even if you do make a mistake in the process, you always have the video to check where you went wrong and with the newfound knowledge you might get it. I highly encourage everyone to try it themselves, you‘ll find yourself achieving things you wouldn’t have imagined yourselves to be able to!

@seb3745 4 месяца назад

Also, for regular visitors of the channel it‘s a great way to see what you have learned over the years. Plus, it makes the videos far more entertaining because a) you see different ways of thinking the same you thought minutes ago and b) you see simon struggling to find something you already know which - no matter if it was obvious to you or took you some time - is a great joy :b

@seb3745 4 месяца назад

Much love and thanks for all the great puzzles and solves you provided me with over the years

@windybeach2184 4 месяца назад

I like to start the solve myself, while the video plays, and pause it when Simon starts to take the lead 😅

@martysears 4 месяца назад

Brilliant puzzle, especially the box 5 deduction. This won't be the last we hear of BlackJackFitz, some of his other puzzles are fantastic too

@johnh2052 3 месяца назад

As soon as I saw the 48 pair on the kropki, I pencil-marked row 5. So, once I got the snake into box 5, I could immediately see it couldn't join up, as this would have forced a 3 into a 3-cell rellik. It's one of those times when a little extra MARKup can help. :)

@andykillsu 4 месяца назад

If Simon remembered his snake cannot touch itself, even diagonally, solving the loop would have been much easier 😂

@johnnyw4life 4 месяца назад

Yeah, at so many points he could have colored in a bunch of squares. I stopped expecting him to see them at some point. That’s Simon’s deal though: he finds less obvious paths more easily and can describe the logic so clearly that newbies can understand and maybe spot them in the future.

@Qazqi 4 месяца назад

This is definitely at most a 3-star puzzle because I was able to finish it.

@windybeach2184 4 месяца назад

Same, I didn’t get stuck anywhere or make mistakes, and my time was comparable to Simon’s so I’m very happy with it

@debrairish7993 4 месяца назад

This was so much fun to watch. Simon, you do a wonderful job at explaining things.

@WhiterockFTP 4 месяца назад

I love long rules! That always assures a unique and fresh puzzle :)

@nakorbluerider 4 месяца назад

I think the easier way to see that box 5 logic, which doesn't reveal as much as what you discovered but is still enough to get you to the end of the puzzle, is to notice that r5c5 cannot be on the loop (creates that bad pattern), and r4c6 must either go left, and it creates a 3 cell run there, or it goes down and creates a 3 cell run there (because the only alternative if it goes down would be a 7 cell U-turn, which we know isn't possible). From that you get that r4c6 is not 3. Now you know that you either have two vertical 3 strips or two horizontal 3 strips, and you can see that the horizontal option will always have a 3 on it. It's kind of the same logic, but being able to narrow down in advance that either vertical or horizontal 3-long strips are mandatory means you actually know that you have to be looking for where the 3 can be, so it guides you to the correct deduction.

@HudsonHornet250 4 месяца назад

53:32 for me. What a wonderful puzzle! Really loved the Rellik constraint, first time I had been introduced to it. Along with the loop logic this has to be one of my favourite puzzles, I love how each logic point seems so succinct!

@zealot2147 4 месяца назад

Simon I never solved a crossword yet but I had a solve you helped me to find that I loved. I think it was something like “Turncoat Yankee hiding poles for a short while” or something like that. I was a bit surprised I came up with traitor for turncoat (at first I thought it might be the definition) but got traitor + y, the international radio code for Yankee, hiding NS to give Transitory. I never would’ve got it without help lol

@timedforpress 4 месяца назад

I think I must have solved an earlier version of this puzzle? but if it’s anything like that earlier version it’s brilliant from start to finish, with some real highlights throughout.

@anaayoung9142 4 месяца назад

I did not remember this rule, but after your explanation I am pretty sure I already saw it! The puzzle is great as the solve! Thanks 😀

@karlmortenlunna2417 4 месяца назад

Really liked this one! Very smooth and very fun. Finished in 15:49 today.

@thebitterfig9903 4 месяца назад

While it was not my birthday yesterday, I did have a chocolate cupcake.

@windybeach2184 4 месяца назад

I loved this puzzle! Very nice logic flow, and I didn’t get stuck or need Simon’s help on the break-in 😅

@raysouth1952 4 месяца назад

Enjoyed the watch. Definitely out of my league.

@EmonEconomist Месяц назад

65:55 - very close to the video length! This was quite an enjoyable solve with some very interesting logic, without being too difficult.

@xerodeus2337 4 месяца назад

yesss I actually solved this on my own! this was a tough but very fair puzzle - so beautiful!

@johnh2052 3 месяца назад

As soon as box 1 is worked out, R5C1 _must_ be on the snake. There's no way to join the two diamonds below that allow it not to be. This moves things into box 7 which must be a 4-cell rellik. Then, in order to leave room for two problematic digits, the 2 must be _on_ the snake. And now boxes 4 and 7 are largely figured out. You can do this before you even look at boxes 2, 3 and 5.

@grahamania 4 месяца назад

00:53:31 for me. That was a fantastic puzzle. Loved the logic, start to end (and with a song :))! Kind comment.

@JPgreekgaming 4 месяца назад

Yeah, that box 5 deduction was straight up magic!

@ViliPerse-li4xy 4 месяца назад

What a beautiful puzzle! Managed to beat it in just under 2h.

@piarittersporn 4 месяца назад

Brilliant and very exciting puzzle.

@tristiancorbett8896 4 месяца назад

Many thanks for the videos you have no idea how relaxing and infuriating they can be 😂. I'm currently laid up for 5 weeks following major surgery for achalasia and I'm finding them a nice way to relax and I'm looking forward to your magnum opus

@elekvault 4 месяца назад

The rules are wrogn in the puzzle link. It says the loop 'moves orthogonally through the centers of the cells', which I interpreted as a line, since there is no mention of the 1-cell width, so I was assuming the line could use adjacent cells to itself...

@jeffg.2204 4 месяца назад

It does in fact mention 1 cell width loop on 4th line of rules.

@crazypantaloons 4 месяца назад

I thought the name of this video referred to Row 2. Long before finding the 8 in box 3, I had a 123458 sextuple in row 3 that eliminated an 8 from R2C3. Simon had a much more interesting way of eliminating that 8. I also did the logic in box 5, but was no longer considering the video title.

@noxumbra173 4 месяца назад

At the 30-minute mark, you missed that row 2, column 7 can not be on the loop. Row 3 column 8 must be on the loop.

@BrianZier 4 месяца назад

Yup, I'm yelling at the screen, but he didn't hear me...

@zealot2147 4 месяца назад

47:58 for me, it takes a bit of mental work to understand the relliks but they’re quite straightforward when you do

@markp7262 4 месяца назад

43:59 finish. I made a false assumption in box 6 (1-2 on the path with 3 off), which eventually led to the puzzle breaking. Fortunately when I spotted it, the only logic I had used it for was still good (except for a few numbers removed from unused pencil marks). A very fun puzzle!

@Flinx_ 4 месяца назад

Regarding Box 5: after having the two cells r4c8 and r5c8 on the loop, because of the 6-cage, the loop-segment must be at least 4 long (you have 3 on the loop OR 1+2). You can't have 5 because of the touching-rule. Therefore the end of the segment must be in r6c7 or r6c9. But it can not be in r6c7. Else the loop would have to go to r6c6 (if you pass by, you can not go there afterwards, because of touching). After that you can not go in AND out of box 9 (with r6c7 on the loop you must come form r8 or r9 of box 8). Leaving us with r6c9 as endpoint and r5c9 can not be on the loop (again the cage, now with 1+2+3). Regarding box 7 (after ruling out the 3 cells in c1, and having a 2 on c9c2): As pointed out in the video, the loop there has a value of 4, so 4 cells on the loop and 2 not on the loop. The 4 can not be on the loop, and either 1 or 3 is not on the loop. If the 2 would NOT be on the loop, you would need 3 digits to be not on it, but only two spots availible, so the 2 must be part of it, solving it.

@ericpraline1302 4 месяца назад

Fascinating puzzle, thanks. I was quite slow to spot some of the logic - I'm going to blame a bad night's sleep rather than general mental decrepitude.

@boredgamesph4872 4 месяца назад

In every rellik cell there is always 2 orthogonally connected rellik cells (in/out) For example in R6C1 the in and out rellik cells for that cell cannot be both R6C2 and R7C1 due to the rellik cell in R7C2, it will form 2x2 rellik cell therefore the one in/out of R6C1 must be R5C1 and Simon mentioned you cannot put a 3 cells rellik cage due to 1,2 pair therefore the other one will be R6C2

@frankjiang1857 4 месяца назад

Finished in 39:57. I got to a place where I thought I had messed up because I couldn't see where 3 could be in box 9. So, I backtracked a decent amount and re-solved the puzzle and still came to the same situation. But then I realized that the loop didn't have to be in the non-cage part and then I was able to go straight through to the solution. Fun puzzle!

@Hannah_GBS 4 месяца назад

I had a similar moment except with the 2 in box 9, as I knew 3 was on the bottom row so I *thought* 2 had to be in the cage, which I had ruled out!

@FINXainarskrastins 4 месяца назад

one technicallity in the rulles, if it cant touch itself diogonally, then how does example x1y2 and x2y1 (looking from top-left) work?

@inspiringsand123 4 месяца назад

Rules: 06:30 Let's Get Cracking: 12:33 Simon's time: 52m51s Puzzle Solved: 1:05:24 What about this video's Top Tier Simarkisms?! The Secret: 4x (14:03, 14:09, 14:18, 14:35) Bobbins: 2x (52:48, 52:48) Three In the Corner: 2x (59:13, 59:38) Scooby-Doo: 1x (53:54) And how about this video's Simarkisms?! Ah: 14x (16:37, 23:23, 31:21, 32:02, 35:07, 37:20, 38:47, 39:27, 39:55, 44:48, 52:23, 55:38, 57:09, 58:59) Touch Itself: 8x (07:49, 08:11, 13:18, 18:35, 28:24, 39:20, 51:37, 56:02) Sorry: 7x (22:22, 23:01, 27:47, 37:20, 40:06, 45:42, 47:31) Brilliant: 7x (00:42, 01:10, 02:32, 03:20, 03:50, 04:38, 1:05:29) Obviously: 7x (04:03, 10:56, 21:11, 21:16, 22:54, 35:19, 40:01) Pencil Mark/mark: 7x (33:15, 55:24, 57:13, 57:58, 59:21, 59:57, 1:00:53) Naughty: 6x (15:06, 32:21, 39:08, 42:32, 50:20, 52:04) In Fact: 6x (25:40, 28:58, 36:43, 42:20, 59:08, 59:11) Beautiful: 5x (53:34, 53:41, 55:14, 55:17, 1:06:18) Hang On: 5x (19:44, 29:42, 33:39, 57:42, 1:04:11) What Does This Mean?: 5x (15:45, 33:25, 33:29, 45:19, 52:30) Cake!: 5x (03:21, 03:21, 03:39, 04:39, 05:18) By Sudoku: 4x (22:04, 36:08, 1:01:11, 1:02:03) Goodness: 3x (27:40, 31:21, 1:04:34) Break the Puzzle: 3x (54:30, 54:46, 55:09) Bother: 2x (57:18, 1:04:05) Come on Simon: 2x (38:47, 1:01:35) Unique: 2x (55:00, 55:00, 55:03) Good Grief: 1x (18:41) Apologies: 1x (1:04:48) Naked Single: 1x (29:03) The Answer is: 1x (53:51) Clever: 1x (17:54) Missing Something: 1x (22:14) In the Spotlight: 1x (59:40) Lovely: 1x (17:51) Approachable: 1x (12:31) Alacrity: 1x (38:15) Disappointing: 1x (42:49) Pregnant pause: 1x (35:33) Wow: 1x (53:34) Bar Humbug: 1x (52:46) Execrable: 1x (1:04:54) Most popular number(>9), digit and colour this video: Twenty Two, Forty Five (4 mentions) Three (114 mentions) Black, Purple (18 mentions) Antithesis Battles: Low (3) - High (1) Even (9) - Odd (1) Black (18) - White (2) Column (11) - Row (10) FAQ: Q1: You missed something! A1: That could very well be the case! Human speech can be hard to understand for computers like me! Point out the ones that I missed and maybe I'll learn! Q2: Can you do this for another channel? A2: I've been thinking about that and wrote some code to make that possible. Let me know which channel you think would be a good fit!

@MaryVidal-pt8bx 4 месяца назад

“What an absolute doofus”

@lexyeevee 4 месяца назад

53:27, cool puzzle. i feel like i didn't use the white dot at all though so i'm not sure if i made a lucky guess without realizing it somewhere or if the dot is actually superfluous?

@srwapo 4 месяца назад

47:31, surprised I was able to solve this one, didn't even want to start it at first. But, I did look at the video after hitting a wall in box 7, for no reason I marked r9c2 as not being able to be on the line. I saw that was my error, undid the work, and proved to myself how the line had to work there.

@titusadduxas 4 месяца назад

1:56:58 - I found that pretty tough but what a fantastic debut puzzle.

@urmaskaarn4304 4 месяца назад

That point where you get headline of video. I got somehow pretty early stage say that middle box top row middle cell cant be connection.

@Swisswavey 4 месяца назад

Great puzzle, i really enjoyed it. It would've been a quick solve too if i hadn't made a schoolboy error halfway through and had to rewind.

@LednacekZ 4 месяца назад

38:54 for me. made a lot of mistakes, mainly because the rules where hard to understand. But, i quite enjoyed the solve.

@Domancave 4 месяца назад

I really don’t get why you guys don’t use the line drawing tool when it comes to drawing a loop. The coloured cages lead me to not see the directional aspect that loops have

@andremouss2536 4 месяца назад

21:55 Strange to watch Simon almost always beginning with the difficult choice : today he's asking if R5C1 could be rellik, when it's obvious that R1C5 can *not* be 'not-rellik'.

@berlinflight_tv 4 месяца назад

My time was 52:54, solve #507. I'm still slow at these, but at least I never got stuck. It's just that knowing what to look for isn't the same as being quick at finding it. 😅

@MRichK 4 месяца назад

I thought the cages gave the diamonds their name. I guess a matter for interpretation.

@TsukibaraH 4 месяца назад

It is my birthday today. I made a dark chocolate cake with chocolate ganache! 🙂 But I don't have anyone in my life that could've asked for a birthday shoutout. 🥲 I enjoyed your solve of the puzzle. I fumbled around with the rellik cage rules too much and gave up within minutes. But the last couple of days have been quite solveable!

@BrianZier 4 месяца назад

Happy birthday 🎉

@TsukibaraH 4 месяца назад

@@BrianZier Thank you!

@chloratum 4 месяца назад

What a cool ruleset. Super smooth and interesting.

@RecreationalCynic 4 месяца назад

That was a fun one. Did it in 61:04.

@TurquoizeGoldscraper 4 месяца назад

52:58 for me - very interesting puzzle.

@andymitts251 4 месяца назад

Apparently there is a reason that Simon prefers not to use Sudoku to solve his sudoku puzzles.

@user-gj5uc4yx3i 4 месяца назад

Have I ever done a rellik puzzle before? No. Was the long rule set challenging to grasp at first? Yes, I had to listen to Simon's explanation to get it. Did I think that trying a puzzle with over a 1 hour run time was crazy? Yes. Did I expect to solve it? No. Was using pen tool at first instead of cell coloring moronic? Quite. 😅 Did I solve it within an hour? No. Did I solve it on my own? YES! How do I feel? 🧠 = 💪 Should you try it? What are you waiting for?

@johnpauladamovsky86 4 месяца назад

13:34 - "Garish, lurid, vulgar, and grotesque."

@Gonzalo_Garcia_ 4 месяца назад

17:24 for me. Great puzzle, very enjoyable once you get the rules!

@Grikkez 4 месяца назад

Agree. I would've used about the same time, if I hadn't spent five minutes at the end ignoring the white dot.

@zealot2147 4 месяца назад

Lol by 12 minutes I had the first 3 columns colored and it took me a bit to figure out boxes 2 3 and 5 but it just flows from there

@_-_-Sipita-_-_ 4 месяца назад

20:04 for me.

@RichSmith77 4 месяца назад

⚽🏆👍🎉😁

@Kinada 4 месяца назад

Fun puzzle. Less than an hour and a half.

@theredstoneengineer6934 4 месяца назад

43:35 for me

@afrayedknot81 4 месяца назад

It’s interesting that the r4c4 diamond is unnecessary - you can figure out it’s on the loop just by b2 rellik math.

@blackjackfitz 4 месяца назад

That’s really interesting! I’m not 100% sure when I put that in but I know I went through a few iterations to get the box 5 thing to happen and it was probably a relic (I couldn’t help myself) from one of those earlier efforts

@5t757 4 месяца назад

39:31 for me this time

@MyriamTT 4 месяца назад

Snakes again ???

@lucasrocha5780 4 месяца назад

TIL the word garish.

@F1r1at 4 месяца назад

I hate cages. They are just awful. I made a simple mistake in the 22 cage, writing it as 689, instead of 679, and it went good, for the very end, when I finished the puzzle, but software said to me it's incorrect. I wasted 30 minutes trying to understand what have I done wrong, didn't find it, looked at Simons solution and saw that my mistake was at the very begining of the puzzle. Hate cages.

@BrinaaSM 4 месяца назад

That has less to do with cages but rather your inability to do math correctly. That being said if you actually have trouble with that, under Settings → Advanced on the puzzle website you can activate "Killer Calculator" which shows you the possible combinations for cages when clicking a cell in them, as well as allowing you to cross out combinations you know are incorrect.

@user-gj5uc4yx3i 4 месяца назад

Measure twice, solve once.

@1973HenkY 4 месяца назад

The 'rellik' rules are unclear/not thought through properly. The purple diamonds are just waypoints that have nothing to do with the 'rellik' cages, according to the stated rules. Please tell me where I'm wrong.

@Qazqi 4 месяца назад

The purple diamonds are in the rellik cages because they're on the loop and the cages are formed by the loop.

@MRichK 4 месяца назад

That is correct, why do you think it is unclear though?

@1973HenkY 4 месяца назад

The diamonds give the name to the cages but do not have a substantive connection to them. Waypoints of the loop, nothing more. White/black dots have substance to them, so do killer cages, and they are all in this puzzle. @@MRichK

@RichSmith77 4 месяца назад

@@1973HenkYThe purple diamonds are called "relliks" simply because they determine the path of the "rellik loop". It's called a "rellik loop" because the loop sections within boxes define the "rellik cages". They're called "rellik cages" because they're the opposite of killer cages and "rellik" is "killer" spelt backwards.

@1973HenkY 4 месяца назад

Not all cages contain 'relliks', which makes it confusing. The diamonds should therefore not be called after the cages.@@Qazqi

@n8style 4 месяца назад

I'm sure it's brilliant, but if the rules look like a novel it loses me

@zealot2147 4 месяца назад

It’s honestly not too bad

@maljamin 4 месяца назад

Yeah they need to be tuned, whoever rewrote the region sum rule all nice and succinct should rewrite these.

@n8style 4 месяца назад

@@maljaminTrue that might help, even so there's maybe 10 concepts in there? People struggle to remember more than 7

@dustpan5356 4 месяца назад

If you’ve never done these rulesets before, agreed a bit daunting. But a lot of it is standard rules for killer, kropki, loop, and “rellik”(though admittedly I’ve only seen the latter once before).

@windybeach2184 4 месяца назад

Yes, I also have ADHD and tend to skim read. I’d like to see rules in dot points or a checklist style. The new rellik rule took me a few reads to understand, but the puzzle itself flowed nicely :)