The Best Kakuro EVER!

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▶Today's Puzzle◀
Today's puzzle is a kakuro variant by Genomico (thanks to Glum Hippo for the recommendation). It is a simply gorgeous creation and we urge everyone to give it a go! You can play the puzzle here:
git.io/JUgwF
Rules:
Fill some white cells using digits 1-9, such that the sum of each block of digits equals the clues in the grey cells. A clue above a diagonal applies to the block of digits to its right. A clue beneath a diagonal applies to the block of digits below it. Within a block all digits are different. Some cells remain empty. All empty cells are traversed by a single closed loop that travels horizontally and vertically and doesn’t cross or overlap itself.
Advice for using the software interface for today's puzzle: The "Tab" option can be used to adjust what the Tab button does on the keyboard. If you tick Surface/Line - normal/Candidates then you can Tab between these functions to allow you to shade/draw the loop/enter digits respectively.
**************************************************************
Congratulations to Clover, who Sam has chosen as the winner of the competition to solve his barbaric puzzle. If you've not tried it, you can play it at the link here:
app.crackingthecryptic.com/we...
Rules:
Normal sudoku rules apply. In cages digits sum to the small clue in the top left corner of the cage. Digits cannot repeat in a cage. Clues outside the grid give the sum of the cells on the indicated diagonal. Digits may repeat along the diagonal.
Sam has made a video demonstrating the solution path to the puzzle, which patrons of the channel can watch here:
/ crackingthecryptic
************************************************************************
Miracle Sudoku is OUT on Android, Steam and App Store.
Steam: store.steampowered.com/app/13...
App Store: apps.apple.com/us/app/id15273...
Android: play.google.com/store/apps/de...
▶ CTC FAN DISCORD SERVER◀
/ discord
NEW: Guide To Our Discord Server:
tinyurl.com/CTCDiscordGuide
▶ OUR BACK CATALOGUE - ALL CATEGORISED WITH LINKS!◀
tinyurl.com/CTCCatalogue
▶ OUR NEW THERMO SUDOKU APP IS OUT!◀
AppStore: apps.apple.com/us/app/thermo-...
Android: play.google.com/store/apps/de...
Steam: store.steampowered.com/app/13...
▶ NEW CRACKING THE CRYPTIC MERCHANDISE◀
teespring.com/en-GB/stores/cr...
▶ OUR CHESS SUDOKU APP IS NOW OUT!◀
AppStore: apps.apple.com/us/app/chess-s...
Steam: store.steampowered.com/app/12...
Android: play.google.com/store/apps/de...
▶TRY OUR CLASSIC SUDOKU APP◀
AppStore: apps.apple.com/us/app/classic...
Steam: store.steampowered.com/app/11...
Android: play.google.com/store/apps/de...
▶TRY OUR SANDWICH SUDOKU APP◀
AppStore: apps.apple.com/us/app/sandwic...
Steam: store.steampowered.com/app/11...
Android: play.google.com/store/apps/de...
▶SEND US PUZZLES TO SOLVE/CONTACT US◀
crackingthecryptic@gmail.com
▶FOLLOW US◀
Twitter: #crypticcracking
@crypticcracking
Instagram (for how to solve daily clues from The Times): crackingthe...
▶SOFTWARE◀
Play the puzzle in the video by clicking the link under the video (above). We are building a website which will allow you to enter your own sudoku puzzles into the software and this is coming soon!
▶Logo Design◀
Melvyn Mainini
▶ABOUT US◀
Hi! We're Simon Anthony and Mark Goodliffe, two of the UK's most enthusiastic puzzle solvers. We have both represented the UK at the World Sudoku Championships and the World Puzzle Championships. We're also "cryptic crossword" aficionados. Mark is the twelve-time winner of The Times championship and Simon is the former record holder for most consecutive correct solutions to The Listener crossword. We hope we can help your puzzle solving while also introducing you to some of the world's best puzzles.
Thank you for watching!
Simon and Mark

Опубликовано:

23 ноя 2020

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Комментарии : 327

@DrScoobyDoo 3 года назад

Thank you very much Simon for solving this puzzle and for all the nice words you said. It was fantastic to see you enjoyed it :) And thanks everyone for the nice comments!

@areyouliterate 3 года назад

What a beautiful puzzle! I really enjoyed it thank you!

@professortrog7742 3 года назад

A very enjoyable puzzle indeed! Thank you so much for this masterpiece.

@rallekrd11 3 года назад

Give us more

@VadAndensong 3 года назад

Indeed, great puzzle!

@57thorns 3 года назад

It is a masterpiece all the way.

@judahbennett483 3 года назад

Great video, would love to see more “one-off” videos, different puzzles than the normal sudoku! Super cool to see different thought processes

@Skycroft1000 3 года назад

I really loved the end, where the line that had _no clues in it_ turned out to be the key to finishing the puzzle. That was exceptional setting.

@Kungfujoe1110 3 года назад

I solved it! I'm ridiculously proud of myself for figuring it out. Around the 31:15 mark, I got stuck - I was stuck in the assumption that I HAD to turn down, but, simultaneously, recognized that I couldn't make the 30 work if I did...but also, what do I do about the 9-down clue in the column to the left? After grinding on it for awhile, I gave up, having assumed I had screwed the puzzle up, and started watching the solve... But before he got there, just listening to Simon explain himself being very methodical about the solution, I decided to pause the video and have another look. I knew I needed to fill in the bottom two rows, I knew I needed to fill in two of the 4 cells in the 9-down clue, and I knew I needed to keep at least 4 of the 30-down cells open, and I knew I needed to leave two exits and respect the 1-down clue...And I sorted it out :D I'm really way too pleased with myself, but this puzzle was quite challenging for me, so I'm glad I overcame. I had a ton of fun with this one

@jikrochmal1174 3 года назад

Good job, mate!

@hauntedmasc 3 года назад

for whatever reason, i've generally not enjoyed kakuro, but this puzzle was pretty exceptional.

@clffliese26 3 года назад

Dang, Austin, you beat me to it. That's exactly what I was going to say, word for word.

@Sylocat 3 года назад

IIRC, last time they did a kakuro, Simon said something to the effect of, if you think kakuro puzzles are boring, you're absolutely right, and the solution is to play hand-crafted ones, since they're way better than the computer-generated ones in newspapers.

@thoughtbyte 3 года назад

For the crowd who was worried he wound't get rid of the purple, I feel you. Absolutely beautiful puzzle!

@AfonsodelCB 3 года назад

I was actually sad he started removing purples mid puzzle, I wanted him to keep them so we could know how many / which of the loop segments were instantly discovered and which ones required further reasoning

@coreyyuhas6764 3 года назад

I was more frustrated that he made the “must be a number” green and the “must be a loop” purple since the loop was green. Bothered me the entire puzzle.

@thijsyo 3 года назад

21:19 "There, i've said it. Now if I've said that, and I have" 😂

@nilsp9426 3 года назад

the verbal equivalent of "if(TRUE)" :D

@okimhin 3 года назад

Always great to see other puzzles than Sudoku now and then.

@2009swaroop 3 года назад

Thanks, Simon for mentioning my name. I am glad the tool is being useful. Another recommended settings: Tab Selector - Surface, Composite, Candidates Surface - Select your 2nd color of choice and you can always get Green Color using Right Click, no need to switch between two colors. Composite - Select Loop - Line or x. Then you can insert crosses using right-click on where the loop cant turn. Remember to PANEL: ON for mobile devices to open the keypad for entering numbers while in Number mode. Edit: New Update Released - PANEL will automatically show up on mobile and iPad, user doesn't need to do any step. Edit: (28th Nov 2020) - New Update Released - There is a Sudoku solving mode. This behaves almost similar to CTC app with z,x,c,v for the shortcuts. You can use Tab Selector as well instead. Happy Solving :)

@boomstand2872 3 года назад

is it possible to use right-click for a different surface colour (instead of always green)?

@2009swaroop 3 года назад

@@boomstand2872 unfortunately no. Only green is available as right click as a standard.

@boomstand2872 3 года назад

@@2009swaroop that's what I thought. Thanks anyway

@RichSmith77 3 года назад

Thank-you, Swaroop, for the software. I could use on mobile. No problems (other than my fat fingers missing intended cells - unavoidable 🙂).

@2009swaroop 3 года назад

@@RichSmith77 Thank you. Haha. You can use the resize button at the top left and increase the display size and at that will increase cells size :) And then use the white area (top right) to zoom out using two fingers. I hope this helps.

@buzzly108 3 года назад

2:16 Rules 5:30 Let's get cracking!

@darkmaster9607 3 года назад

A book of Cracking the Cryptic Knowledge Bombs? SIGN ME UP! 20:23

@ajtowns 3 года назад

Needs to be one of those calendars where you tear off a page and get a new knowledge bomb every day!

@kilwade 3 года назад

Maybe we could learn some advanced things like the fact that 9 is not 10

@lezzly8581 3 года назад

Thanks for tagging this so I could immediately find it. I did wonder if he'd mention my tweet 🤣😂 Amazing. PS. @ajtowns Calender would be amazing.

@lezzly8581 3 года назад

@@ajtowns are you @ajtowns on twitter?

@Coyotek4 3 года назад

49:48 I absolutely LOVED this puzzle! It doesn't hurt that I am a big fan of both Kakuro and 'loop'-type puzzles (of which there are many); the way this combines them is simply gorgeous! Many thanks for posting this one!

@rosebuster 3 года назад

Yes, please do more non-sudoku puzzles. It's fine even if they aren't quite as stunning as this one too. The day the number of non-sudoku puzzles on this channel is at least a half of all the published videos, I'm buying all your apps (by the way... non-sudoku app when?) and becoming a patron. For now too much imbalance between sudoku and other puzzle types.

@eratosthenesieve 3 года назад

Totally agree that this puzzle definitely earned its place on the channel. Stunning. Big fan of non-Sudoku puzzles getting some love.

@SerikonIsHere 3 года назад

i love when you do other puzzles, brings much variety. for me every second puzzle could be a non-sudoku one

@Marius5 3 года назад

That was amazing to watch. Please keep doing other puzzles than sudoku if they're this good!

@dxm028 3 года назад

I had to get a little help from Simon twice, but this is the first CTC puzzle that I actually completed myself, and I will be chasing this high for the rest of my life

@Smileyyn 3 года назад

This was an amazing puzzle and I’m very glad that you decided to show it! I vote yes on showing similarly brilliant puzzles here

@Oblivion776 3 года назад

I am absolutely amazed that all the numbers in this grid were disambiguatable. I was looking at it like "how?" And yet it all fell into place in the end. Fantastic!

@TheEricthefruitbat 3 года назад

Definitely do different puzzles. Bring back Star Battle, Slitherlink, Tapa, Masyu, and so on.

@wariolandgoldpiramid 3 года назад

I have never even heard of any of these puzzles. Is there a website where I can learn about these and other kinds of puzzles?

@OliveDRob 3 года назад

@@wariolandgoldpiramid Look here for randomly generated examples : www.puzzle-killer-sudoku.com/

@bencejoful 3 года назад

@@wariolandgoldpiramid the blog GMPuzzles is a great resource for finding and learning about different puzzles. For each puzzle type they have an explanation of how to play and list of easy ones to get started. For example, star battle: www.gmpuzzles.com/blog/star-battle-rules-and-info/

@wariolandgoldpiramid 3 года назад

@@OliveDRob Thank you!

@wariolandgoldpiramid 3 года назад

@@bencejoful Thank you!

@dmitrymalkov6732 3 года назад

I so admire Simon doing loop puzzles! Spectacular!

@shaukeentabiyat 3 года назад

Didn't think I'll be able to make it. But persistence paid. Took about 2 hrs. But the feeling of skipping to end of the video and comparing with the final solution was just awesome. Thanks Simon for showcasing such a delightful puzzle.

@Jodawo 3 года назад

Of course, I would love to see puzzles that are different from our usual. There is a couple of Nonogram variances in the Discord archive you might want to check out. This one that you did was very nice to watch you solve. I did love how you explain the logic. I think this channel helps us experience new types of puzzles and variances so we can build on our knowledge and be able to solve similar types of puzzles for ourselves.

@kilwade 3 года назад

Agreed. Simon mentions at the start that they lean to sudoku on this channel because that's what the viewers tend to be here for, but I actually prefer greater variety in the puzzles. That's not to say that the quality of the puzzles should be sacrificed for variety though. The most important thing is probably that it be puzzles they enjoy.

@tonybates6551 3 года назад

@@kilwade Yes, wholeheartedly agreed. This channel seems like it used to do a wider variety, and lately it's been so much sudoku. Loved to see this one!

@DivineHydra 3 года назад

Definitely more of those types of puzzles. It may be true that a good portion of people are here for the sudoku, I find that the different puzzles are rather enjoyable, especially when they're ones that are made to the quality of this puzzle.

@davidhughes7174 3 года назад

What fun version of Kakuro, solved elegantly as usual. Thank you Simon.

@curtmillholland1565 3 года назад

Yes! More kakuro like this one, please. Loved this puzzle

@lezzly8581 3 года назад

🤣😂🤣 OMG the joy when Simon tells you off during a puzzle!!! Best day ever :) To be fair he had a point, page would never be enough :)

@y_prime 3 года назад

52:22 - the loop's nice - it takes a surprisingly interesting route

@MattGriffiths81 3 года назад

This was a fun puzzle, and I'd totally agree with including "special guest" puzzles of differing types to increase the variation on the channel and introduce (and showcase) other puzzle types and setters. I found pentominous puzzles through this channel, and they quickly became my favourite past-time.

@buschcory 3 года назад

Simon, yes I adored this puzzle. I am always happy for you to divert away from Sudoku to showcase quality puzzles like this. I have a lot of trouble with loop puzzles in my head so the more I see you do them the better! Thanks as always for great content, looking forward to the December hunt!

@Koboldmensch 3 года назад

It makes me really happy when you neaten up the puzzle in the end. Never saw this puzzle before, but I love it!

@kevinyoung796 3 года назад

The title is not wrong. This was one of the best puzzles I've seen in a long time. The logic is exceptional.

@fuxpremier 3 года назад

I always enjoy this kind of puzzle where there is a unique path to the solution. This one was difficult enough to get great logic but not too much to be unsolvable, this was indeed a great puzzle.

@jmswtsn 3 года назад

Enjoyed this one a lot. Nice to add some of these “not-sudoku, but still vaguely reminiscent of it” puzzles into the channel. Very fun to watch the solve progress.

@andrewnelson2525 3 года назад

Now that was a linear solve path. None of the deductions were breath-takingly difficult, but it was quite often difficult to see what had to be done next. And no step was skippable or solvable by alternate means. Very nice.

@glum_hippo 3 года назад

Oh my goodness, I'm SO delighted that you're doing this one! It's time for full disclosure: I never finished solving it myself... I recommended it on the strength of a completely biffed attempt.

@puneetgoyal2251 3 года назад

Loved watching this with my breath held....what a relief to see it end so beautifully. Kudos to the creator of this gem. Just wonder how such puzzles are every designed! What a skill!

@Amascut 3 года назад

Absolutely loved this! More Kakuro please!

@davidmonnerat8598 3 года назад

What an amazing puzzle. Not too difficult, I'd say, took me under 25 minutes. I do a lot of Yajilin and Kakuro and the solving path is pretty much straight forward. Like Simon, I had some trouble at the end, finding out what is going on with the 2 clue and the crowded middle row. This construction is absolutely genius, it contains every bit of logic that Kakuro and Loop puzzles have to offer. The finish using the unclued middle row is fantastic. I take a bow.

@DrScoobyDoo 3 года назад

Thank you very much David :)

@adamtaylor5040 3 года назад

Fantastic puzzle. Great to have one where we can touch ourselves orthogonally.

@stevieinselby 3 года назад

That was an incredible puzzle! I'm not usually all that keen on loop puzzles (although getting more used to Penpa might be something that helps there!) but I tried this and really glad I did. Unfortunately I forgot that Penpa doesn't start the clock automatically and only realised when I was quite a way in, so I have absolutely no idea how long it took, but very satisfying to complete it without peeking at the video 👍🏻

@46lespaul 3 года назад

i love switching up and trying these loop puzzles but that ending though was incredible setting

@CSmyth- 3 года назад

"Six, seven, eight, nine, are the biggest numbers" Hate to break it to you, Simon, but...

@Scanlaid 3 года назад

Give the man a break, he was wearing closed-toe shoes that day

@andrewchandradat8312 3 года назад

Yeah, what about 18? Or 24?

@CSmyth- 3 года назад

@@andrewchandradat8312 I'm sure at least one of those is bigger, yes!

@johannhowitzer 3 года назад

F is the biggest number.

@landrygi 3 года назад

Wow, a dream comes true for expert kakuro solver. Love it. Need to find more puzzles.,

@199Kiran 3 года назад

I would love to watch more puzzles like these. This was exceptional

@Skyfox94 3 года назад

I'd love to see more of these. This was really enjoyable to watch - as always it's your appreciation of these puzzles that makes the video.

@grantfraser5430 3 года назад

Well, that's it. I'm DONE with Sudoku! From now on I only want to do Kakuro Loop. Please tell me that's not a one-off and where can I find more? That was amazing. I made so many logical leaps, some worked, some made me watch more video to see what I missed. Thanks Simon, for a truly beautiful solve and thanks Genomico.

@jbnett2334 3 года назад

The most beautiful ending I’ve ever seen.

@OnePlayerForever 3 года назад

loved this, what an excellent combination. Wonderful logic in some of the smaller gaps / more congested areas, I got myself tangled around that 17 or a while!

@dragonborne3277 3 года назад

I will reverse the colors when I solve it so it makes more sense.

@mightworth3735 3 года назад

You mean when you solve along. Don't hide the truth

@dragonborne3277 3 года назад

Why am I being trolled? To me, if the path is green, using green to indicate where the path cannot go is confusing. As to "solving along", it will probably be a couple of months before I come back to this puzzle.

@RichSmith77 3 года назад

@@dragonborne3277 I used green for loop cells and blue for number cells. Agree, green for loop seemed more intuitive. 🙂

@ProBadSing 3 года назад

This is the first puzzle I've attempted in a while. Loved it

@basu8554 3 года назад

Not sure if that's cheating or not, but was it safe to assume that every "lonely" cell that's not attached to any given clue & has less than 9 cells in its block is automatically an empty cell? Because such a cell having a digit would imply that the solution doesn't have a unique answer anymore and therefore would be broken, since no clues can help to give it a digit, and as there are less than 9 cells in its block, even if all other cells had a different digit, the "lonely" cell would still have at least 2 different possible answers. I filled in those lonely cells in the grid as "automatically empty" and I reached the same answer as you did..

@stevieinselby 3 года назад

The usual view seems to be that you should not only _find_ a solution but also *prove* that it is a unique solution. That means that you shouldn't assume uniqueness in order to solve the puzzle. Obviously in a speed-solve competition, all that matters is showing a completed grid and it would be mad for them to give you a puzzle that didn't have a unique solution, but for a connoisseur the challenge is to prove it.

@jordan-apiyo-1985 3 года назад

yep, spot on. It's stated int he the rules that all empty cells are traversed by the loop.

@blueberrypieology3088 3 года назад

Lovely kakuro, thanks for showing this.

@Losloth 3 года назад

Yes. The mix you have now is great. I look at all these as grid logic puzzles. A completely chess based number puzzle without sudoku rules could also be fun.

@yairgo 3 года назад

This is my first exposure to kakuro. I really enjoyed watching!

@Fuesch 3 года назад

Very pleased with this puzzle, keep those extraordinary pieces coming, please.

@Ruddigore 3 года назад

I do a Kakuro puzzles every day but they are always standard, this is the first time I have ever seen a variant kakuro and I must say it has whetted my appetite for more. I need to find a source for variant kakuro puzzles. Thanks for posting, I loved it.

@th.nd.r 3 года назад

I definitely want to see more non-Sudoku puzzles like this!

@KevinBradshaw1972 3 года назад

Great puzzle with a brilliant piece of logic at the end.

@jacksonpineau6387 3 года назад

More puzzles like this, please!

@nimbletim 3 года назад

i enjoy kakuro but this kakuro is on a different level

@br0wnknight989 3 года назад

This was a brilliant solve! I got stuck at the beginning as C1 and C3 both had 0 clues and by reading the clues, I was thinking it's a snake that mustn't touch itself so I had to watch the video to understand what was going on. A very linear solve by a brilliant constructor. I did think the choice of shading could've been better, as the green numbers were hard to read on green cells. I personally used Yellow for numbered and Purple for looped. Green numbers stood out on Yellow cells. Another option was the classic Odd-Even pair we use on CTC, Orange and Blue - Green numbers stand out on orange cells (or blue cells).

@MasterdoMagic 3 года назад

The puzzles you showcase are always so nice.. ever since the first video I found I keep being compelled to do the puzzles before watching the video, which takes me far longer than you, but is always so rewarding. There's this reward when I solve it that I get to watch you solve it too, and it's so validating for some reason seeing you take the same paths. Though much, MUCH faster.. Thanks for those videos, really nice.

@SapioTV 3 года назад

That was a fun one! I do have a question: is it possible to color some squares purple right off the bat if no clues point to them? I thought it might impact the uniqueness if that's not the case, but seeing how the middle row impacts the placement of 2 makes me question myself...! For a concrete example, for the row 4th from the bottom, the second to last column doesn't have a clue pointing to it. Is it safe to assume that this square is not going to have a digit?

@mrkitewine7700 3 года назад

Loved it, it is crazy how there is a unique solution.

@kodra22 3 года назад

This puzzle was quite fun!

@Scanlaid 3 года назад

Great to see various other types of puzzles! They feel like special episodes, could be a monthly feature

@tiberiusdw 3 года назад

Amazing puz! More of these please!!

@andrewgrant6516 3 года назад

That was fun. The 2 problem at the end was easier to solve by noticing the orphan cell below it.

@yura_riabov 3 года назад

What a beautiful puzzle!

@samuraikakashi56 3 года назад

I really enjoyed watching this solve and would definitely like to see other types of puzzles on this channel!

@Parmenion87 3 года назад

Really enjoyed this one. Managed it in not to bad a time.

@borisivanov9665 3 года назад

Yes, please! Sudoku or not, I’m always excited for a beautiful puzzle.

@Kairikey 3 года назад

I think that one nice clue for this that might help you go faster is the fact that every single cells must be filled with either a number or line segment which can force some line segment to travel in a certain direction that will fill the cells.

@stephenmcguigan5237 3 года назад

more of this please, fab!!

@siraracos 3 года назад

Great puzzle, I find it refreshing a puzzle different from sudoku from time to time.

@dudbike 3 года назад

Great puzzle!

@BlueCyann 3 года назад

Loved this one, so glad the Penpa interface is tolerable now. Really intricate and fun puzzle.

@Xeridanus 3 года назад

What did they change about the interface?

@2009swaroop 3 года назад

@@Xeridanus tons of things. For starters: Ipad support. Tab selector feature Complete list can be checked here - github.com/swaroopg92/penpa-edit/blob/master/CHANGELOG.md

@wariolandgoldpiramid 3 года назад

This was a brilliant puzzle. Would love to see some more non-sudoku videos.

@nishanthn4927 3 года назад

A&B of course!! What beautiful solve path...

@playr4 3 года назад

:O I love Kakuro. I was wondering when another Kakuro was gonna show up.

@MikoKisai 3 года назад

42:30 There's a nicer way to determine where the 2 goes in row 7... Suppose that the 2 was in the leftmost cell. Then the cell below must be a digit for the 24 clue, but since the column has to add up to 9 and we've already used a 7 in the 24 clue, there is no valid digit there.

@brachypelmasmith 3 года назад

I assume we cant repeat numbers in blocks, even if block sum is not given?

@stevieinselby 3 года назад

Correct. Imagine that all grey cells *do* have a column total and a row total written in, but some of them are _written_ in grey so you can't see them. The blocks where you can't see what they add up to work just the same as the blocks where you can in terms of repetition.

@AngrySanta 3 года назад

I'd love to see this channel cover Hidato/Hidoku puzzles

@grahamrskelly6042 3 года назад

Very happy for good puzzles and logic and joy

@machines_witch 3 года назад

Good one! Entertaining all the way to the end.

@sarabearyt 3 года назад

This was so much fun! Kind of felt like a detective story :) Entertaining enough to first solve on my own and then watch Simon solve (faster but oh well)

@u.carter2832 3 года назад

Thanks for this, please do more Kakuro!!

@nathanialblower9216 3 года назад

Love the outfit/puzzle color-coordination! Especially because now there’s no doubt that your pants (ahem) are grey!

@zelassin 3 года назад

43:59 Didn't we already know the cell to the left from the 3 has to be loop? If it's a digit we have absolutely no information on how to disambiguate it

@Moksoory1 3 года назад

He was having a senior moment. Actually multiple times in the video he did not notice the obvious.

@kilwade 3 года назад

I think it's just because Simon's not assuming there to be a unique solution. If we assume that at the end of the puzzle everything was the same as in the final solution except that cell to the left of the 3 was not loop (and assume that somehow all of the puzzle constraints were still met), then that cell could contain any of 4,5,6,7,8,9 and there would be 6 possible solutions. Simon rarely assumes (if ever) that there is a single solution.

@zelassin 3 года назад

I'm pretty sure Simon always assumes there's a unique solution because that's the nature of these puzzles - you don't get good ratings nor is it easy to verify correctness of the puzzles in software if they have multiple solutions

@adamtaylor5040 3 года назад

I think it's better to prove it's not loop and that there's a unique solution.

@driftwisp2797 3 года назад

@@zelassin Whether or not you should use the unique solution constraint when solving is a matter of preference. I personally avoid using it for most things unless I'm stuck, but I do use it unlike bifurcation which I'd usually rather give up than use.

@Buizerd88 3 года назад

I think an important thing to notice in a kakuro like this, is that the cells that have no number looking at them should always be "loop". Like c4r3 and c11r12 for example

@the1andonlydjt 3 года назад

I enjoyed the puzzle. I was solving it along with you. Some parts of it I get right.

@margaretmcnarry4298 3 года назад

I love seeing other types of puzzles on this channel, as long as the quality is as high as in this one. Someone else said, it’ NOT called ‘Cracking the Sudoku’, after all. Having said that, I would hate to see the channel go less than at minimum 50% Sudoku.

@NoodleKeeper 3 года назад

Second book confirmed "Knowledge Bombs with Cracking the Cryptic"

@lezzly8581 3 года назад

@ajtowns has suggested a knowledge bomb a day calendar. Much better idea than my tweet :)

@aloofmeatloaf1467 3 года назад

Anybody else weirdly triggered that he didn’t use green shading to indicate where the green loop must go? Just me?

@travholt 3 года назад

My thought exactly! So confusing to my mind.

@blueberrypieology3088 3 года назад

Kept confusing me.

@ryfors 3 года назад

I loved this puzzle :)

@Sam_on_YouTube 3 года назад

At 41:18, you can use the null clue. One of those cells isn't in any row or column with any numbers on it. Unless you can affix a value with sudoku, which you can't, it will only be unambiguous if it is part of the loop.

@mute1085 3 года назад

I think this was my first kakuro ever, and it was a real joy to solve. Thanks for showcasing it, and I'd certainly love more pencil puzzles once in a while! Now, if all kakuros are like this... wait, if this is "the best kakuro ever", does it mean no other will be as good?