A Sudoku With Only 14 Given Tetris Pieces?!

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** TODAY'S PUZZLE **
We have been inundated by recommendations to try this new puzzle by siron2133 which combines killer sudoku with Tetris. It makes for a really original puzzle with some brilliant ideas and logic.
Play the puzzle at the link below:
sudokupad.app/ntqufgkvcx
Rules:
Normal sudoku rules apply. Each tetris shape represents a cage of cells of exactly that shape (ie the shape cannot be rotated or flipped) and the tetris shape must be inside of its corresponding cage. Cages of tetris shapes with the same colour have the same total. Digits may not repeat in a cage. Cages may not overlap each other.
** THE LORD OF THE RINGS SUDOKU HUNT RELEASED YESTERDAY **
We launched the sudoku event of the summer yesterday! Blobz' puzzles and Ted Nasmith artistry combined in one of the most beautiful, approachable and fun hunts we've ever published. Get hyped!!! Teaser puzzle here:
sudokupad.app/blobz/a-long-ex...
Play the full version here:
/ crackingthecryptic
Other treats on Patreon include:
- Simon's solve of Sky-Skyscraper by Phistomefel has just been uploaded for our patrons.
- and Mark's latest solve of The Times Club Monthly cryptic crossword
▶ 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:
play.google.com/store/apps/de...
ALSO on Amazon: Search for “SudokuPad”
▶ Contents Of This Video ◀
0:00 Theme music & puzzle intro
1:17 Please forgive Simon
2:00 The Lord Of The Rings Sudoku Hunt
3:00 Shoutouts & Happy Birthdays
5:43 Rules
7:24 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:

5 июл 2024

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Комментарии : 173

@siron-bq3mv Месяц назад

Thank you for the feature Simon! This was a very pleasant surprise and a great solve as usual. This puzzle was inspired by the tetris themed puzzles in the game "The Witness". Thanks to everyone who recommended this and I am glad you enjoyed the puzzle

@orsonzedd Месяц назад

I thought you'd have to put the pieces in with one missing cell in each row so you don't clear a line

@ZonieMusic Месяц назад

I'm so glad the Witness is getting another appearance in one of Simon's solves!

@rixbase Месяц назад

How do you pronounce your name?

@siron-bq3mv Месяц назад

@@rixbasesy-ron is how I pronounce it but anything works 😅

@eveengineer4147 Месяц назад

I'm amazed that Simon managed to not mistake a cage for the wrong cage color despite his random coloring scheme.

@rmjarvis 6 дней назад

Not coloring the cages blue and orange is completely nutters.

@yellingintothewind Месяц назад

How is this "with a twist"? There are no rotations allowed :)

@MrForbinator Месяц назад

In Tetris, you need to rotate or twist the shapes. Here you cannot. The twist is that there is no twisting.

@andremouss2536 Месяц назад

27:00 Simon forgets the two-piece cage (already proved to be 78) in the top right box. If the top of the T shape occupied R1C7, it could not be 7 or 8 (nor can it be 9). So this T cage contains only one 'high' digit, the three others are at most 456 and the maximum total would be 4+5+6+8 = 23, so that actually disproves the possibility of the T shape touching the top row.

@rickpgriffin Месяц назад

While Simon would kick my butt at this puzzle regardless, this video DOES make me feel a little better regarding my spatial reasoning

@francoisbc2562 Месяц назад

Not me yelling at Simon through the screen "it's not 7 or 8, it's not 7 or 8!!!"

@iceberg54321 Месяц назад

@@rickpgriffin Yah, he missed that a couple puzzles ago as well, when not realizing two 3's were already allocated to a different colored line. Add in some coloring instead of using his pencil marks, and pretty much standard Simon. Using harder logic then needed to solve the puzzle. At least he did realize the top digit could not be a 7 or an 8 eventually this time. Probably because he had to.

@evergreentree8042 28 дней назад

Not only that, but he misread corner markings as centre markings.

@MarkBennet10001 Месяц назад

This is a classic example of grade deflation - this would never have been 3/5 a while back, but CTC has educated a generation of solvers to ridiculous levels of ability ...

@mononaut Месяц назад

I only recently started watching daily (to fall asleep 😅) but I got recommended videos every now and then for years, I feel like it was not very long ago that Simon was getting really excited about puzzles with 3... Or 2... Or zero(!) given digits... Now he's like, I don't even see the given digits anymore 😂 Really shows the skill development of the setters as well. It really is mind blowing what they manage to find.

@selenasilverstep7981 Месяц назад

this is a 3/5 difficulty. you would also see it as a 3/5 if we didn't spend thirty minutes watching Simon completely ignore the square piece in box 4, which can only contain one of 12 and one of 456

@ericpraline1302 Месяц назад

@@selenasilverstep7981 To be fair he was hungover so you have to add at least 1.3 to any rating.

@elizabethshort9632 20 дней назад

I agree with the 3/5 from a solely personal point of view. I can solve 3/5 on my own with a hard slog, I need Simon's help with a 4 and I've got no chance with a 5. I did this one on my own but it took ages so I reckon 3 is about right 😂

@MsNosis Месяц назад

for improved clarity next time: you could have used various blue colours for ALL blue tetris shapes, and various brown/orange for the others, re-using the same shade if necessary for shapes far apart. would make the overview much neater and clearer.

@PassionPopsicle Месяц назад

Or used the x/o feature of the pen tool to put in blue and orange X's

@PhilBoswell Месяц назад

I wish Simon would remove the colours from cages that have been determined, since there's no need for them any more. So often he ties himself up in knots trying to find a new colour when he could re-use an old one that isn't doing anything useful any more!

@stevieinselby Месяц назад

It wouldn't be a Simon solve if he didn't go for a kaleidoscope of confusion and use far too many colours to make it as difficult as possible to work out what on earth was going on...

@user-zu8vc5ef6w 26 дней назад

Very true

@stangerrits6712 Месяц назад

14:40 ‘My phone is going crazy’. Embarrassing party pics from yesterday night coming in? 😂

@tremkl Месяц назад

Simon trying to figure out whether green or purple better communicates the cage domes to blue. Me: Maybe blue?

@TheSkips8 Месяц назад

I think hungover simon doing sudokus needs to be its own series in and of itself

@user-dc1ib2gm6y Месяц назад

@11:42 "being a bit overzealous with the pencil marking" I heard it as " pencil Mark-ing" ;)

@mstmar Месяц назад

to answer simons question about the 3 pencil mark in box 1. it happened at 49:40 where he thought it was the only 2 places for a 3 in row 3, missing the possibility for one in r3c5. luckily he never used the mark and cleared it when he noticed it might be wrong

@Sam_on_YouTube Месяц назад

Solved in 72 minutes with no errors, guessing, or hints. Don't think I've solved one this long so close to Simon's time before, especially with no help. It was a smooth, but steady (albeit long) solve.

@inspiringsand123 Месяц назад

Rules: 05:49 Let's Get Cracking: 07:30 What about this video's Top Tier Simarkisms?! The Secret: 5x (30:49, 30:49, 30:52, 30:59, 33:21) Bobbins: 3x (34:58, 47:51, 1:02:30) Three In the Corner: 1x (1:07:22) Diddly Squat: 1x (38:26) And how about this video's Simarkisms?! Hang On: 16x (08:14, 12:06, 14:35, 15:16, 15:16, 16:02, 16:21, 16:51, 26:10, 26:23, 26:37, 30:45, 38:36, 43:37, 51:40) Sorry: 12x (03:08, 10:00, 15:16, 27:40, 30:18, 33:59, 39:27, 43:30, 45:32, 45:32, 48:18, 56:09) The Answer is: 8x (15:59, 19:05, 21:09, 35:57, 59:24, 1:05:09, 1:05:13, 1:05:17) Pencil Mark/mark: 8x (11:41, 51:01, 51:32, 1:02:52, 1:03:57, 1:04:22, 1:04:31, 1:07:15) Ah: 7x (12:40, 15:16, 16:02, 28:05, 30:08, 56:19, 1:01:27) Clever: 6x (18:58, 19:00, 21:04, 37:57, 1:00:26, 1:07:50) By Sudoku: 6x (24:35, 54:35, 58:22, 58:36, 1:00:21, 1:05:59) Lovely: 5x (01:44, 08:18, 10:22, 28:53, 55:22) Brilliant: 5x (24:19, 24:19, 31:54, 1:08:05, 1:08:08) In Fact: 5x (41:36, 54:29, 56:58, 1:05:02) Incredible: 3x (00:38, 02:07, 04:39) Cake!: 3x (03:49, 04:47, 04:49) Unique: 3x (36:36, 36:50, 36:55) Beautiful: 2x (31:56, 57:32) Shouting: 2x (03:01, 05:17) Approachable: 2x (02:30, 02:33) Internal Logic: 2x (35:50, 35:59) Good Grief: 1x (57:32) Bother: 1x (43:30) Apologies: 1x (03:33) Nonsense: 1x (55:59) In the Spotlight: 1x (1:07:25) Stuck: 1x (47:55) Going Mad: 1x (14:31) Deadly Pattern: 1x (35:31) Hypothecate: 1x (11:00) Take a Bow: 1x (1:08:08) Disconcerting: 1x (48:39) Of All Things: 1x (34:30) If I Trust my Pencil Marks: 1x (1:04:19) Surely: 1x (16:55) Disappointing: 1x (43:25) Which Means What?: 1x (52:52) Wow: 1x (45:59) Let's Take Stock: 1x (32:38) Uniqueness: 1x (1:05:00) Weird: 1x (38:32) Most popular number(>9), digit and colour this video: Fifteen (34 mentions) One (99 mentions) Red (18 mentions) Antithesis Battles: Low (4) - High (2) Higher (2) - Lower (0) Highest (2) - Lowest (0) Column (15) - Row (12) 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!

@dagurtheone3969 Месяц назад

okay that’s a nice bot you got there ::)

@dagurtheone3969 Месяц назад

One of the timestamps for “the secret” is incorrect, instead of two of them on 30:49, one of them is actually at 30:52

@virtuous-sloth Месяц назад

I love hearing that you had a chance to see school mates after decades. Wonderful occasion for a lovely puzzle.

@TheKtuno Месяц назад

I think Simon is now trolling with his color choices😅

@bobson_dugnutt Месяц назад

Raised an eyebrow a little bit when he colored an orange shape in blue. I just used 4 colors, blue/green for blue and red/orange for orange. It was enough to avoid two shapes of the same color touching.

@martysears Месяц назад

Loved this! Really delightful mix of arithmetic logic and geometry logic. Lovely having all the clues be pictorial too. Great stuff 🎉

@davidrattner9 Месяц назад

Agree and great stuff indeed!!

@anaayoung9142 Месяц назад

Whoa! I did this one alone, it was challenging for me, but very enjoyable, and worth it all the time spend it! Thank you for the solve! 😊

@jonhansen9622 Месяц назад

Oh, it looks like another day where Simon gets to use some colors!

@Anne_Mahoney Месяц назад

To be fair, Simon only uses colors on days that end in Y. 😸

@Orenotter Месяц назад

Despite any haters that hate, I think your brain, Simon, is great, For you take ones and twos And from those you deduce The existence of five six sev'n eight.

@isidornimages Месяц назад

Simon definitely not on his a-game today, but explanation provided, he's forgiven. Interesting puzzle and enjoyable solve to watch.

@DeGuerre Месяц назад

The bravest animals in the land are Captain Beaky and his band.

@emilywilliams3237 Месяц назад

I have noticed that I am not as interested sometimes in the sudoku-game mashup kinds of puzzles, but this one worked very well, I thought, and it was very fun to watch you solve it, Simon. Thanks for the video!

@dagurtheone3969 Месяц назад

tetrominos??? oh my i haven’t seen this before

@KyleBaran90 Месяц назад

Except for the 3 and 5 length pieces

@conaluk7662 Месяц назад

Many of these are not technically tetris shapes, but still a really cool idea!

@petrie911 Месяц назад

I got stuck for so long on this because I completely missed that the middle piece had 5 segments instead of 4. I honestly think that's a bit of a flaw in the puzzle design. The I piece is so iconic in Tetris that it's hard not to see it like that.

@davidrattner9 Месяц назад

Fabulous and lovely solving from you Simon!! Fun with the tetris shapes! Great debut Siron123!!

@chocolateboy300 Месяц назад

I finished in 105 minutes. What a beautiful puzzle. The theme was excellent and the fact that only Tetris givens were in the puzzle is just extraordinary constructing. I really like this ruleset, it feels so natural to Sudoku. Great Puzzle!

@SuperElizabeth4ever 29 дней назад

i’d love to see a puzzle where most of the solving logic revolved around the puzzle having a unique solution - where you have to solve the puzzle by eliminating the possibilities that would give multiple solutions (like avoiding the 78 deadly pattern)

@johnh2052 Месяц назад

At 33:55, Simon finally looked at the 2x2 piece in box 4. It's too bad that he didn't look at the effect that had on the overall box 4 total. He'd have seen that the other bits must all be maximised. The 456s must be 56s, and the 12 must be a 2. Then, the other two digits not part of the 2x2 must be an 89-pair, and that tells you where the 2x2 is situated in the box (to the right).

@dustpan5356 Месяц назад

Yeah he finally goes back to it at 56:20, but definitely would’ve sped things up if he had noticed that right away.

@laju Месяц назад

At 49:40 "Okay, three is in one of those two squares by sudoku in row three. That's almost certainly not we're meant to do next." Yep, because that is a wrong deduction. :D

@ditto113 Месяц назад

thank you .. I thought I was going nuts when he did that!! LOL

@ysalas7631 Месяц назад

He saw the pencil marks covering row 1 of that box and assumed that a 3 in the middle of box 3 meant that the 3 in box one had to be in row 3. He forgot that there was an open space next to that 69 domino.

@AhmadEjaz Месяц назад

regarding highlighting cages, we can do boundaries with pen tool, and may be such a feature be added to the software to highlight cell boundaries by selecting the cells

@LDericher Месяц назад

The first in a long time where I couldn't resist but follow along and solve it myself, playing the video bit by bit whenever I got stuck. 135 mins on sudokupad, over two hours is an awful time, but I'm still quite happy to have solved it, even with help!

@leco4529 Месяц назад

Gosh, sounds like people were talking to Simon at a party.

@metleon Месяц назад

I spent over an hour on this one and eventually gave up and started watching the video. Only after Simon pointed it out did I realize that's actually a 5 line in box 2, which let me get further. It still took me a while to solve it after that, but I did manage to.

@transrightsbaybee Месяц назад

simon sounds nice in this one! loving the audio quality ( :

@jinkela7295 Месяц назад

Use blue for blue pieces and orange for the orange ones

@FrancisFjordCupola Месяц назад

48:15 "If this is obvious, I can't see it at all..." with the 12-pair in column nine forcing a 1 or 2 into r1c7. Proving that the blue 15-cage in box three must be in r1c8 and r1c9 as anticipated by the puzzle having a unique solve. I'm sure Simon will figure out a genius and complex roundabout path to the same conclusion.

@rmjarvis 6 дней назад

I had a rough time with this at first because I misread the rule to say that the shapes *can* be rotated or flipped. Had to watch Simon read the rules to realize my mistake. That made things much more tractable...

@piarittersporn 27 дней назад

Wonderful and exciting puzzle.

@BlakeLeitch Месяц назад

58:38, with a loooooooooot of help. Bloody brilliant puzzle though!

@mahuhude Месяц назад

This red and this green look exactly the same for me. (In boxes 4 and 7)

@seanb7807 Месяц назад

I actually managed to solve this one, which marks the first time I've solved a puzzle whose video was over an hour! I suppose Simon was a bit slow today, but still quite happy I managed to do it (though it took me about 80 minutes)

@megalamb Месяц назад

Mssing line for the grey square - Such a shame :P

@RhiannonAgutter Месяц назад

49:45 interesting sudoku deciding the row three 3s needed to be in box 1. Let’s see if that comes back to bite. Edit: lucky Simon didn’t trust his own pencil marks 😂

@skid68 Месяц назад

Simon in this puzzle you should have removed color when the killer cage was done.

@psiphiorg 9 дней назад

I found this one to be quite a challenge, but definitely fun! My time was an even 1:08:00, solver number 3993. And at 1:02:50 in the video, I'm sure I'm not the only one who wanted to sing "5309", right?

@samuelkuhne1268 Месяц назад

!!! What an incredible secret 45! Sudoku continues to amaze me

@phuybrechts6875 Месяц назад

You forgot immediately the 7/8 yellow pair in box 1 to fix the block in box 4 , BY Sudoku 😂

@stevesebzda570 Месяц назад

There are no Tetris pieces in the puzzle link. Blank grid, folks. (Use it for something if you want) No Tetris pieces in the puzzle, though.

@stevesebzda570 Месяц назад

OH, if this happens to anybody, check in gear/cog icon, and make sure "hide background image" is off. I had it on for some reason. TURN THAT OFF, though. You're welcome..

@alexliu8003 Месяц назад

mark the high low with colors, and pencil line to mark the shape, it will be easier for solve and watch.

@Unbounded7 Месяц назад

Petition to change the blue on the first page of colors to the lighter shade on the second page, I can't see the blue numbers with the dark blue on it

@user-gj5uc4yx3i Месяц назад

Quite pleased with myself placing the 2x2 cage much faster than Simon but I struggled with the 4 cell cage in box 3 something fierce! I think I was too tired to focus on this one properly. I'm going to have to start taking better care of myself so I can play sudoku!

@Zeekfox Месяц назад

I sort of found the 8-9 pair in column 1 in box 4 a bit sooner based off the math of the box. The tetris block is 100% contained within the box, and accounts for four cells and 15 of the 45 total sum of the box. Two of the cells belong to another 15, minus the value that sticks out into R6C4. That puts the value of the remaining three cells of box 4 to be at least 19, with one cell (R6C1) being a 1 or 2. That not only gives you that 2, but the 8-9 pair that must go in column 1.

@aadarshgoenka3206 Месяц назад

I think there is a problem in mobile version of the link. I am unable to see any shapes on the grid. I tried toggling the setting "Hide background images" but nothing changed.

@dustpan5356 Месяц назад

Not specific to mobile, as it works just fine on my iPhone. However, I have the same issue as you in my laptop. Must be something in the computer/mobile settings that is preventing the images entirely.

@squircular54 26 дней назад

Great solve and great puzzle. Using different colours for the pieces made things very difficult to follow for me (colour blind). For my solve I just used two colours that looked similar to the ominoes themselves. No value at all in using multiple colours if you're outlining them with the pen anyway.

@MaxPower2719 Месяц назад

13:57 And that’s the way it is!

@cypher686 Месяц назад

Lol, Simon we see you get plastered during each live stream and they only finish at midnight. You drinking till 2AM ... im surprised you still remembered the nights events!

@ericpraline1302 Месяц назад

Nice one, and think I had the edge over Simon on this one as sadly I was stone cold sober while solving.

@dxm028 Месяц назад

Well I got one digit, then spent half an hour not doing much else😂 very cool puzzle nonetheless!

@benjaminrealy5661 Месяц назад

73:28. Oh the difficulty was off the charts for me. For how quickly I determined the cage values, I was thinking it'd be easier. Positions of many cages were not too difficult but others took me time to figure (for example) that cage cannot have a 9 but if I put it there there will be a 9. But took me a while to figure out a 9 must go in the cage if it was there. On the other hand, the 789 cage I had set and placed the 9 in seconds. I think the wide range of difficulty amongst the cages was more awe-inspiring that the difficulty of the difficult cages. 8.5/10

@srwapo Месяц назад

I'm only two minutes into my solve, but "tetris" pieces are only 4 cells large and these are 2-5 cells in size. 😰 53:01, started off kinda quick, spun my wheels for like 20 minutes in the middle, ended quickly.

@dagurtheone3969 Месяц назад

Oh that’s annoying ::/

@skiesofarcadia4885 Месяц назад

I had the same thought but thoroughly enjoyed the puzzle all the same!

@awebmate Месяц назад

Also, Tetris is a trademark..

@gianpaolopoti4973 Месяц назад

Very nice! 58' for me🎉

@serenacecconato6007 Месяц назад

That's 3 in the corner 🗣🗣🗣🎉

@michaellautermilch9185 Месяц назад

Oh my the choice of colors is driving me crazy to watch. Why not just use blue and orange?

@rampantunease6517 Месяц назад

I colored the shapes orange or blue which helped when I colored the 12 pairs

@zhihuangxu6551 Месяц назад

Is this also solvable as a The Witness puzzle?

@henriknobinder7395 Месяц назад

It bothers me more than it should that many of the tetris shapes aren't four cells big.

@TheJuicyTangerine Месяц назад

Is anyone finding the puzzle broken when imported into sudokupad?

@siron-bq3mv Месяц назад

Check if the ‘hide background image, setting is turned off in sudokupad

@TheJuicyTangerine Месяц назад

@@siron-bq3mv I did. It wasn't the issue :/

@MusikCassette Месяц назад

has anyone else the problem, that the Tetris shapes are not shown?

@siron-bq3mv Месяц назад

You might have the “hide background image” setting turned on in sudokupad

@MusikCassette Месяц назад

@@siron-bq3mv i even tried switcheing it on and off again

@siron-bq3mv Месяц назад

@@MusikCassette Hmm I am not sure then. Are you on mobile?

@MusikCassette Месяц назад

@@siron-bq3mv you might be confused, because you let your browser just execute any script. I do not, and I think it is a bad Idea to do so. generally i forbid my browser to execute scripts unless I give explicit permission. This one Sudoku used a different script and I did not realized it does so.

@LednacekZ Месяц назад

I cant see the blue under the green. USE BLUE!!!!!

@PassionPopsicle Месяц назад

Came here to say the same thing! But Simon must Simon and make colours more complicated than necessary 😂

@RichSmith77 Месяц назад

...and then, later, he starts colouring his 1's and 2's with colours already used for cages. 😂

@simonl4523 Месяц назад

And then uses blue to fill in an orange shape

@GabrielCruz21 Месяц назад

8/14 aren’t tetrominos but the puzzle is great so I’ll overlook it

@angec9908 Месяц назад

I would never attempt one of these puzzles. I just can’t wrap my mind around how to start. But I always feel so smart when I spot something before Simon, like the 7-8 in box 5. 😂 I also didn’t understand the 3 pencil marks in box 1, which he did “by sudoku” from the 3 in box 3. I couldn’t understand why they couldn’t have been in r1 of box 1. Neither could Simon, apparently, when he went back to them 🤣

@RichSmith77 Месяц назад

I think he scanned row 3 and just missed that 3 was an option in r3c5.

@vanciervancier Месяц назад

Simon needs to use brown more often.

@roevhaal578 Месяц назад

There's only 6 tetris pieces actually.

@MelHK_ Месяц назад

L J S Z I O T that's 7

@roevhaal578 Месяц назад

@@MelHK_ in the puzzle...

@xerodeus2337 Месяц назад

yeah this definitely felt like just above a 3 star, maybe 3.5 - I got stumped a few times

@danielszanto2955 Месяц назад

In the end 7 of the 9 blue cages were blueish, and 2 out of 6 orange cages were orange, so not bad :)

@Roger_808 Месяц назад

ngl simon calling the Z piece an S piece kinda triggered me but its fine ill get over it

@zachnichols8642 Месяц назад

24:14 nice

@zachnichols8642 Месяц назад

1:04:58 double nice

@joeg451 Месяц назад

lovely puzzle, but I'm bothered that many of the shapes are not tetrominos

@bait6652 Месяц назад

When ur eye sight sees 4*1 not 5*1 ...also is there a rule that says the tile piece must include the cell it's in???..Ie can the 5*1 be shifted 1- or 1+

@RichSmith77 Месяц назад

Yes. "And the Tetris shape must be inside of its corresponding (killer) cage."

@bait6652 Месяц назад

@@RichSmith77 ah my first read , the "Tetris shape" was referring to to the killer cage or the DD outline/shape. Which further confused the killer cage w/I killercage so,I took to mean the shape must be included in the box which nixeed the 5x1.

@zhoppa Месяц назад

technically the Schrodinger sudoku was a "published puzzle with 2 solutions". busted!

@yadt Месяц назад

Common misconception, it actually has one solution that is a superposition of the two normal solutions.

@RichSmith77 Месяц назад

They also featured a puzzle called Hydra a couple of years ago that, while having a unique sudoku grid, allowed one of the required snakes to take one of two paths.

@hasko_not_the_pirate Месяц назад

46:56 is it fair to ask, where is the _other_ number of the 12 pair in column 7? It must be in row 1. 50:33 Oh. Seems that was the key. Yay, I saw _something_ 🎉

@Otakutaru Месяц назад

The witness, too witty

@jinkela7295 Месяц назад

26:45 Now the 78 piece is broken

@montchrishubbard Месяц назад

For those of us who struggle with colors: how many different colors are there? I think two, but I’m not confident. (I have not watched the video because I’d like to try the puzzle.)

@RichSmith77 Месяц назад

Probably too late, but it's two, in case you're still hoping for an answer.

@six_5000 Месяц назад

(tetris pieces have FOUR squares. tetra. it's in the name)

@MetaKnight68 26 дней назад

CTC x CTWC ?!?!

@JohnBlackburn Месяц назад

Link takes me to an empty grid

@dustpan5356 Месяц назад

In the settings (cog icon) turn “Hide Background Image” off.

@bluerizlagirl Месяц назад

I suppose, if the setter of a puzzle had a specific solution path in mind that _didn't_ require you to avoid creating a deadly pattern in the grid, they would have included something for you to discover that would make that deadly pattern impossible anyway -- as long as you do not short-circuit it, so that by the time you solve the digit somewhere in the puzzle that rules out the deadly pattern, it's too late because you've already assumed the consequences of filling it in. I bet it's possible to set a puzzle deliberately such the _only_ way to solve it is actually to avoid creating a deadly pattern, though ......

@stangerrits6712 Месяц назад

I solved such a puzzle a while ago, somewhere on the CtC Discord server. Messes with your head, you needed to make deductions and place pencil marks to avoid such deadly patterns.

@RichSmith77 Месяц назад

They featured a puzzle a couple of years ago where it was supposedly only human solvable by using uniqueness. A computer had been used to prove it only had one solution. It was in a CtC video with the title "What is Uniqueness?". I'll attempt to post a link in a comment below this one. (Sometimes these comments stay, sometimes RU-vid deletes them.)

@RichSmith77 Месяц назад

...and it got deleted. Search for the title and you should find it.

@johnbell9074 Месяц назад

When I open the puzzle I just see a blank grid, no shapes.

@Manigo1743 Месяц назад

That's the hard version. :-)

@Lumeth Месяц назад

Me too :-( On a related note, has anyone else have problems with fog of war puzzles as of lately?

@CrackingTheCryptic Месяц назад

You could try this link instead: app.crackingthecryptic.com/ntqufgkvcx

@martijnvanbalen9675 Месяц назад

Sudoku works in web but in the android app I only see blank cells. How to file a bug report?

@PassionPopsicle Месяц назад

There is a button somewhere that toggles if background images show - might be turned off

@frankjiang1857 Месяц назад

Finished in 59:40. I got most of the Tetris done pretty quickly, but then my mind somehow flipped one Tetris symbol to the other color and I got into a bad place. It got so bad, I had to completely restart the entire thing and I finished it up in 15 minutes with the previous foreknowledge. Fun puzzle but keep your colors straight!

@_-_-Sipita-_-_ 22 дня назад

34:54 for me.

@daanperelachaise Месяц назад

44:13. Great puzzle!

@jrmitchell12 Месяц назад

"Click Tick" :(

@Gonzalo_Garcia_ Месяц назад

26:01 for me. Very nice puzzle!

@throbinho Месяц назад

Does he deliberately wind us up eith colour choices? Blue and orange tetris shapes.. Lets go with green ! 🙄

@MattYDdraig Месяц назад

60:56 Intriguing puzzle. Enjoyed the way some direct geometry worked for placing the -ominoes, but then the numbers became necessary later to push things to conclusion.