One Of The Most Brilliant Puzzles We've Seen
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- čas přidán 15. 01. 2021
- Today's puzzle is (yet) another incredible sudoku. It's called Everything Is Stavros96 and, unsurprisingly, it's by Stavros96!!! You can play it here:
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Rules:
Normal sudoku rules apply. Grey lines are palindromes ie they read the same from both directions. Along thermometers digits must increase from the bulb end. In each cage, digits must sum to 9 or 6. Digits may not repeat in cages.
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We have just released a brand new puzzle hunt by Reverend on Patreon!!!! Check it out - it's awesome! There's also Mark's solve of the latest Monthly Special Crossword from The Times!
/ crackingthecryptic
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▶ABOUT US◀
Hi! We're Simon Anthony and Mark Goodliffe, two of the UK's most enthusiastic puzzle solvers. We have both represented the UK at the World Sudoku Championships and the World Puzzle Championships.
Thank you for watching!
Simon and Mark
[Sudoku competition starts]
Simon, holding 9 highlighters: Let's get cracking
It would be amusing to see a pen and paper solve of something as complicted as this. I struggle to get two pencil marks in the same box these days!
"If this is a blue-9 pair then 9 is not equal to yellow"
got me cracked alright. that's how he gets cracking i guess
Please - no spoilers =P
"This is a nine-blue pair"
And I lost it.
This is not the first time color-number pairs appeared
please keep this at 69 likes or get to 96 likes
@@micehunter1370 Saw it at 95. Did my duty.
Apparently 9 is not equal to yellow too
He got me at orange pears.
Woah, thanks for the feature! Glad to see this one get featured so quick! Time to see Simon attack it!
I always wonder: How does one produce a sudoku? Is there a software for this? I cannot even think how to "solve it backwards".
Genius 👌
@@FunChatterNo1 I think it's a mixture of solving backwards and idea inception. I myself for the past few months have been delving into this. There are softwares to check for basic sudoku and some specialties. But the rest is handwork.
This was a very special puzzle, a real joy. Thanks!
@@FunChatterNo1 I think for this one he just started with a real sudoku that had the palindromes, then added cages and the thermometer to actually be able to solve it
The fact that every single 3, 6, and 9 was found before a single other digit was solved is nothing short of art. What a wonderful puzzle.
For once, I actually feel like Simon didn't appreciate it enough haha.
And all the digits in the 9 were in the range 4-9. And all the digits in the 6 palindrome were in the range 1-6.
When Simon accidentally clicked off the website to the CZcams video of him learning how to play guitar (22:50), the like count is 369, coincident? Definitely. Still really cool though.
And that the first 3 is in a corner!
Alternate title: British man creates a new from of math involving colors as variables
Und zerefore, Pink to "The smell of bacon" divided by "Sticky"...
“Guys in this lesson we will explain how purple plus yellow equals nine; how blue plus orange equals nine; and to top it off, how green plus red equals nine”
Coincidentally sudoku solving is what a mathematician would call a graph colouring problem
I think there is already some historical precedent for using colors as variables, before letters even.
Substituting colors or even shapes as variables is the same as anything else. Nothing new here.
Can I just appreciate the fact, that Simon gave a like to a video of this guy teaching a guitar?
How many likes were there? Coincidence? I think not. I'm certain that's God's work.
Anyone else notice that Simon used purple to designate 6 at the very beginning. Then later he didn’t want to use yellow, so he got rid of the purples for 6. And switched the yellow to purple. Ironically, the new purple also ended up being 6.
Was about to comment when I saw him remove the purple from second batch of 6, wish he remembered he removed it from other 6's and apologized to them by repainting originals purple again...
"Light grey is not 3"
Love him or hate him he's spitting facts.
Jokes on him, in my solve light gray was in fact 3.
@@BlueCyann barbaric
"...15 is not the same as 9 or 6."
- Simon Anthony 'Former world championship team sudoku competitor'
12:33
Someone should make a puzzle called "Simon's favorite puzzle", which includes:
1. An extraordinary break-in.
2. Every square of the grid needs to be colored for everything to suddenly fall into place.
3. Phistomephel's ring must be used at some point (preferably early on, so it doesn't mess with the coloring).
The software is crying out for a way to have multiple colors in a square
ooh, did they add that recently?
@@RilianSharp That has since became a feature yes!
I was just watching this video and became a little confused when Simon couldnt pencilmark 2 colours in the same cell at the beggining 😅 This function is now so frequently used by Simon its hard to believe he could solve puzzles without it several months ago 😂
10:19: "You can't put 9 in a cage, ever"
- All the 9s out there are cheering and free their brothers of Simon's last presentation "Encaged 9"
46:44 Wow, the whole puzzle is just 3, 6 and 9 so far. Kudos to stavros96 for the setting!
Just like the Georgian lyricist Jonathan Smith once wrote:
3, 6, 9, stand real fine /
Move it to you suck it to me one mo time /
Get low, get low, get low, get low /
To the windooooooow, to the wall
In a rare turn of events, I solved this one myself -- in 96 minutes 😁
ah, almost, it took me 100 minutes aahah
Wow. I was actually emotionally invested in each new reveal being a 3, 6 or 9, not one of the lesser, inferior, betrayer numbers! What a work of art.
"if you want to know the keys to the universe, think 3 6 9"
You gotta love Simon's trademark giggle - I'm calling it the "Flurry of Activity" giggle.
anyone else like it when he has trouble pronouncing his "threes"? He gets it fine most of the time but relapses now and then. It's just a little bit adorable.
Like I say every time Simon uses colors to represent specific unknown values and struggles with "I know this is a purple-green pair but there's no real way to indicate that" it's just more evidence that the ability to use letter variables in pencil marking should be a top priority for the next version of the solving software.
It would also make explaining sudoku "math" like the phistomaphel ring much simpler
Either that, or the ability to put tiny colored squares to annotate more than one possible color.
Also being able to change the palette of colors to pick from, or to make them darker and lighter. That would certainly help those who are colorblind with having darker/lighter shades of the same color available so they have more to choose from. Already with some puzzles it'd be helpful to have more than 9 colors....and certainly the means to pencilmark them like the letters or tiny squares suggested.
At this point of time it's possible to highlight a square with all 9 different colours... go Sven!
@@lalalalalalalalal567all 27 now! The future is bright!
“Here is when it’s gonna get really spicy” 😂😂
"This triple is (wait for it) an orange - light gray - dark gray triple"
Wonderful puzzle, completely lost for most of the time but really entertaining
I loved the fact that the 6 was still purple
We should try to find Simon some more puzzles that require coloring, he gets so excited every time 😅
Simon, I just want to point out some other brilliant things I found with the design of this puzzle.
Right from the get-go, I noticed that the design of the palindrome lines meant that it must contain 6(!) unique digits - no number repeats in the palindrome except in its own reflection. Try it yourself, it's really phenomenal. Realising this property of the puzzle gave me the same amazing awe of design that the Miracle Sudoku 2 did with its thermos and anti-knight restraint.
Furthermore, upon completing the puzzle, you can see that the 9-shaped palindrome on the left contains the highest 6 digits (4 through 9) and the 6-shaped palindrome on the right contains the lowest 6 digits (1 through 6). Unreal.
I've been watching your videos for a couple months now. Once I was confident enough with what I'd learnt from you, I started to try every puzzle myself before watching. I'd say that was around a month ago, and I'm now able to complete around half of them completely on my own... even if some of them take the whole day! So here's a heartfelt thank you from down here in Australia, for getting me hooked on yet another activity within which I can ignite a passion.
P.S. My goal is to set my own sudoku puzzles once I'm feel I'm ready to give that a go. I only hope that I can make one which blows the socks off of the testers and you'll have simply no choice but to showcase it on the channel. ;)
Yes, I was noticing that too. And once you had placed a 9 in the left palindrome then there were no longer any place for it in the right one.
I just wanted to say that this comment was lovely and it made me smile :)
@@rosegoldberg2469 Thanks Rose, glad I could make you smile. I hope you have a wonderful day!
An idea for pencilmarking dominos like the Green/purple one at the beginning: label them like you did, and then pencilmark a zero to indicate the possibility to interchange. With the new software, zero is possible to write in after all, so why not use it to your advantage?
It would also be nice if you could just pencilmark colors. That comes up more often than you'd think
If pencilmarking colors wasnt doable in the software because of logistics, they should at least provide the option for two-tone cells, where both colors shows as a triangle.
I was thinking the same thing! either that or if the software allowed for variables to be entered that'd be great.
@@averygaron994 Surely the easiest is just to allow letters in the grid (both as main digits and pencil marks) and then use these rather than colours. the ease with which you could solve these sorts of puzzles if you could pencil mark an AB pair for example, is mindblowing
You get exactly the same effect as colors if you could enter ordered pairs. Instead of having blue and yellow 78 pairs, you just need to be able to type in 87 and 78 and have them show up in that order.
I know it's stupid, but I just love it when Simon says something like "This is a 9-blue pair", puts a huge smile on my face
Simon: "there is an orange in this sudoku puzzle"
Computer *Windows had stopped working*
Highly intelligent puzzle solver: "Oh wow, I've only found 6's and 9's to start with in Stavros96's sudoku titled "Everything is Stavros96" featuring palindromes in the shape of '96'. If, and I say *IF* this is intentional, that is quite brilliant!"
Stavros96: Oh, my sweet summer child.
Watching Simon (who occasionally forgets to do Sudoku) playing Sudoku... 😂 "Absolutely lovely"
Not to brag, but I correctly....
...predicted which colours Simon would use for the "6" palindrome xD
Plot twist: purple is purple!
40:30 Ah, a classic 3-Orange deadly pattern
"Blue is fascinating. Good grief!" 🤣
I love how excited Simon gets about coloring. And he’s always so good about coloring within the lines. Lol
Oh no
_[flips the grid 180 degrees and it still says "96"]_
Thank God
Plus the rotational symmetry of 96 sort of fits with the symmetry of palindromes
Just look at the sudoku through the mirror to see the nice 69.
@@niluscvp Are you sure about that
@@niluscvp, that would result in something like “ae”, not “69”.
My first reaction was "aw, too bad it's not 69" ... maybe that is something that's wrong with *me* :D
even though i’m rather useless with puzzles myself, i love listening to these videos when i’m studying. they’re really relaxing, but so engaging as well. thanks from an ib student in morocco xD
Except i can't tear my eyes off the screen for even a second
Fellow IB student here, hope studies are well!
If there's ever an update to the software, making an option to "corner mark" different colors might be helpful! It would make the opening green/purple pair a bit easier to hold onto
And a "shift" button for a mobile device to highlight disconnected cells at once
Same could be solved by adding the ability to use letter variables in pencil marks, which would work better than shading in a lot of the contexts we see shading used on these puzzles (with added benefit of eliminating colorblind concerns)
I agree with the letters idea, I guess there's probably a reason to restrict it to a specific set of characters, but having the alphabet available as well as the digits 1-9 (and zero) would come in very handy sometimes when two cells are the same but their value is not known, or in some puzzles where clues are given as letters in/outside the grid.
@@philm5872, I’d appreciate that very much, but maybe making the selection persistent, with a “clear selection” button would work even better.
@@felipevasconcelos6736 potentially. I find myself selecting a single cell or a string of cells a lot more often than many separated cells. Might be annoying to always have to clear a selection. But hey, not sure CtC reads chats within chats so..😄
That poor 12 pair in column 2 sure was completely overlooked, and it would have been so helpful.
yup. he was so into coloring the cells i think he forgot it was still sudoku and not nonogram.
Amazing symmetry in the solve, with the cages being used at the beginning to get the first digits, then coming back in the end to finally disambiguate the colors and lead to the solve. What a puzzle!
Simon: "I'm gonna turn these yellow cells into purple cells, so I don't confuse them with the cursor"
The cells: *are actually purple*
(Because you know, purple was 6)
Simon - when you said “Blue, blue” I was 2 seconds ahead of you on “Barney McGrew” - probably the only time I have ever been ahead of you on a serious solve! Thank you for a marvellous video!
46:12 "This square. What the h... What is that?"
Nice correction.xDD
lol! When Simon said 'Blue, blue..." my mind filled in "...Barney, McGrew, Cuthbert, Dibble, Grub" just a fraction of a second ahead of Simon saying the same. Thanks Simon, that is the first time I have truly laughed out loud for a very long time!
“Have I sown the seeds of my own demise?” Lol
I love when he quotes black ops 😂 “the numbers mason what do they mean”
I couldn't believe it XD
Left side: Skittles colours
Right side: Metallic colours.
In a gloomy world your love for your hobby and your infectious enthusiasm for sudoku is a joy to watch!
Simon! You are a brilliant entertainer, perceptive puzzle solver and much more clever than you want us to believe! Thank you for the content!
I received so much satisfaction watching the colors turn into numbers en masse at the end.
Really terrific. The quality of puzzles is so high, and so consistent. Wow!
"I only have Light Grey left". Meanwhile, mark is still not using that black coloring which work surprisingly well in the new software.
I absolutely adore how happy sudoku makes this man
I FRICKEN' KNEW IT!!! It was only gonna solve 3s, 6s and 9s for the whole thing, and everything else was going to be in a state of being either one or another number, and the thermometers would allow you you to fill it ALL in at the very end by telling you which one was larger!!! YAAAASSSSS!!!!!
Found out purple in the grey nine is six, removes the color so he can reuse it in the grey six. Finds out purple is six again. Love it!
One of my favorite puzzles in the 6 months I've been on this channel. Good job, Simon!
You could put "0" in the colored cells that could be one of 2 colors.
This one was absolutely incredible! I was straight up hootin' and hollerin' and pounding my thighs as I noticed new logic unfolding. As always, your enthusiasm is infectious, and I'm glad my Sudoku skills have improved so that I can better appreciate and share in the joy that comes from solving puzzles like this. 😄
Isn’t every puzzle featured on the channel brilliant?
I mean usually they do select the best puzzles they've been sent
I suppose that’s almost inevitable given the quality of puzzles they get to pick from.
Did anyone else say, “Noooooooo” when Simon put a 6 in box 2 but then didn’t immediately disambiguate the thermo?
Yes ahahahah
That thermo was staring at me for what seemed like a month and a half before he got there.
It's true that was the critical moment; I think he would have seen it if he hadn't been distracted by his completing his coloring, which was progressing so well at the time.
I noticed he can get easily distracted. There are a lot of times he is working on one logical path and just suddenly move to a different one when all he was supposed to do was to fill in one cell waiting impatiently to complete that path and be able to move on to another one. just like that 6s, when he put the 6 in box 1, he could have already put the 6 in box 2 and finish the whole thing from there. but he left to pursue the green 4/5 cells.
@@mickee like many men, he loves the chase... actually opening the treasure box is anti-climatic. Time to find another spot to dig. lol
After seeing this, I am glad that the the newer version of the app allows you to do more than one color at one place. And never switch colors, there are better options to confuse yourself
What a nice puzzle, 84 minutes for me, I've coloured all the pairs before putting them in. So satisfying...
A suggestion for the next version of the software: Corner markings of little color rectangles. Then you can mark "blue or green" on a single square. Also increase the number of colors a bit more.
That's the most beautiful sudoku puzzle I've ever seen. Bravo Stavros96!
Going back and watching episodes I’ve missed or rewatching and marveling at how much Sven has added to the software over time. Love you Simon et al!
36:20 was that a CoD reference?
So this is what is like to love Simon and the passion he has, and also logic puzzles. Then however not understanding the colors and not understanding a bit of the logic.
Sudoku has become damned chess level intricate.
Lovely puzzle. Took me a looooong while to figure out that I should be doing sudoku with colours and not numbers and then started making predictable progress. Really enjoyed it.
"9 is not equal to yellow" - The name of my future mathematics Masters thesis
Multicolor mode has been a lifesaver!! I love coloring sudokus
I used to do paint by numbers when I was a child. I never expected to see one in a world class sudoku video. Awesome!
I solved along as I usualy do, unpausing the video when I get stuck, but I managed to make a mess out of the mixed color/pencilmark notation and noticed only when I was 3/4 through, so I just ragequit and watched Simon instead. The skill required to juggle the restrictions, particularly the ones that cannot be expressed cleanly in notation, is amazingly subtle and hard to appreciate until you try it yourself.
These videos help me go to sleep, not because it's boring, just cause he has such a nice voice :)
Makes me want to get better at sudoku! It's really fascinating to watch!
I just started watching this channel a couple weeks ago and I just had my first moment where I spotted something really important before Simon did. I’m learning 😆
Amazingly, a lot of the ideas I had about this Sudoku (especially in the first 20 minutes), Simon also had about 10 seconds later... including the "blue, blue, barney mcgrew, cuthbert dibble and grubb" line :) (Edited to add: even at 47 minutes out of a 49.5 minute video, the only digits placed were 3s, 6s and 9s - amazing!)
It’s really awesome watching you solve a sudoku with colors and being able to follow along. Even though I currently can not do this by myself, the way you explain keeps me engaged and “solving it with you”!!
Easy. Elegant. 40min on a relaxed tempo. Very enjoyable puzzle.
I know this is a pretty obvious observation, but the coolest thing was that the whole time, you were only adding 3s 6s and 9s to the puzzle (all multiples of three, and and 2/3 being factors of 96), not being able to disambiguate any other numbers. But then as soon as you placed the last 6, and had every single 3 6 and 9 placed, the rest of the puzzle solved within seconds. I thought that was so cool. Major props to Stavros; what a beautiful, beautiful puzzle
Gotta love the setting at 46:51, with all 3, 6 and 9 filled into the grid.
Being an ordinary sudoku solver I usually get bored with the complex puzzle solves and turn them off in the middle, but this one held my interest.
Wow, what an amazing puzzle that was. I was even thinking at some point in the video that it would be unsolvable, but the thermometer turned out to be the key. Absolutely astonishing 😲 👏
Would be really neat if you added the possibility of using 2+ colours in a single cell, for example by making it stripey, to help with things like the green/purple conundrum at the start.
This was absolute madness and i enjoyed every second of it
I would never expect a call of duty reference, really made me chuckle
AND a Trumpton Fire Brigade reference.
When was the CoD reference?
@@markscottuk THE NUMBERS MASON??? WHAT DO THEY MEAN??? (The first Black Ops iirc.)
@@markscottuk 36:19. "The numbers Mason, what do they mean?" is a reference to the first CoD: Black Ops.
I love to think that this man who I assume is in his fifties has played black ops 1
Wow. That. Is. Just. Incredible. Now i need to watch the video to see Simon's face when he sees what's going on. Seriously one of the best puzzles I've ever completed.
Can we just appreciate that this guy is playing sudoku with colours?
That was a really beautiful puzzle, I think my favorite yet. Steadily building up the pairs and working through the threes/sixes/nines before the dam breaks at the end felt amazing, real kudos to the setter.
45:33 I was screaming at the screen when he put the 6 in:
"the thermo is now a 4-5, red-green pair and the thermo tells you green is 5 red is 4, I REPEAT GREEN IS 5 RED IS 4"
When you get tired of playing sudoku and decides to do a lovely patchwork
Wow that was a truly beautiful puzzle!! The flow of it felt amazing to work through. Favourite one I've played so far :)
How you kept that all straight in your head was unbelievable, and the best part of the puzzle!
Four squares make a three orange deadly pattern.
The things you learn.
I'm glad you fixed the color problem you used to have.
32:18 Putting 12 in R1C2 makes a 12 pair in the column and resolves R3C2 to a 3. Immediately huge progress. Simonitis columnensis perpetua. We love you, Simon!!!
[added in edit:] 40:10 A deep theorem proved by St Anthony puts a 3 in R3C2.
Russell & Whitehead's Principia Mathematica takes a few hundred pages to prove that 1+1=2. We may have seen the opening of a wholly new perspective on variant Sudoku here. If you have the choice between trivial sudoku and revelatory colouring, go for the colouring every day of the week and twice on Sunday.
I apologise, Simon. It's not sarcasm but deep deep admiration. Your brain is a joy to share with you.
It's so interesting to watch these older videos
and seeing him struggle with the colors. Thats all resolved in the current software in 2023. Having the right tools help.
I can’t believe the thermometer at the top is what finally cracked the colors and how long it took Simon to notice!
"theres a 45 in this row, so this one is 6!" - simon completely overlooking the 6's in the top row that solved the 6 by sudoku rules
Thank you dearly for colouring in the rest of the 3s really made my day
Love watching u solving the puzzles been watching all of them
Loved that! Absolutely BRILLIANT!!!
This just made me smile and I'm still smiling!
This is the first CTC puzzle I've successfully solved BEFORE starting the video and I'm feeling very proud. Just ignore the fact it took me 5 hours... Excited to watch this and see how it can be solved using an actually systematic approach rather than trial and error logical reasoning
A brilliant sudoku today! Enjoyed watching you solve it.
I love the fact that he's solving two sudokus at the same time
I love how he removes the purple color for 6 on the left part to label the yellow cells on the right part (because he cannot distinguish), only to end up with 6 in the new purple cells. The first yellow was purple from the beginning !
Me seeing the 12 pair in column 2: This was much easier man