A Sudoku With Only 4 Given Digits?!

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  • čas přidán 11. 04. 2020
  • You can try this quite remarkable construction by Aad van de Wetering here:
    cracking-the-cryptic.web.app/...
    Normal sudoku rules apply. In addition, both marked diagonals must also contain the digits 1 to 9. Cells that are a knight's move apart (in chess) cannot contain the same digit. The central 3x3 box must form a magic square.
    ▶ Nicolas Rasmussen's puzzle hunt can be played free here◀
    / 35846524
    ▶ Our New Puzzle Hunts are OUT ◀
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    ▶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!
    ▶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

Komentáře • 9K

  • @jonandmoni2
    @jonandmoni2 Před 4 lety +47089

    Wife: what are you doing still looking at your phone at 2 AM?
    Me: looking for naked singles in this area.

    • @nutellanutella
      @nutellanutella Před 4 lety +1560

      This comment is underrated

    • @hadimazzi
      @hadimazzi Před 4 lety +655

      this was hilarious you made me laugh anlot

    • @SpearofTrium05
      @SpearofTrium05 Před 4 lety +255

      Really good one

    • @kenjiotake
      @kenjiotake Před 4 lety +667

      I really hope you didn't actually say this to your wi- sorry, ex-wife.

    • @Unlovable
      @Unlovable Před 4 lety +482

      Its easier to explain

  • @Afriendd
    @Afriendd Před 4 lety +11519

    "We're actually able to finish the magic square, I don't know why I'm surprised by that but I just am." Yeah cant believe we solved it , we're a great team.

    • @oxey_
      @oxey_ Před 4 lety +294

      Dora the explorer vibes, but the good kind :)

    • @maddie107
      @maddie107 Před 4 lety +256

      *puts hand on chin* yes, yes we did really well there... [goes off, over-confidently picks up her easy sudoku book, looks at first puzzle, cries]

    • @humidifierman
      @humidifierman Před 3 lety +53

      Good work team!

    • @freetube200
      @freetube200 Před 3 lety +2

      @Dosing Psychedelics got some in my freezer right now lol

    • @hsmacaraig
      @hsmacaraig Před 3 lety

      yee yee

  • @bluexix
    @bluexix Před 4 lety +14400

    'Puts down a 5 in the middle'
    Oh yeah, it's all coming together

    • @luchia4tom134
      @luchia4tom134 Před 4 lety +67

      Kronk!!!!! Oh how i've missed you!!! Finally something I know on this vid!! ^.^

    • @piggybump7512
      @piggybump7512 Před 4 lety +56

      I don’t know why this is funny but it is

    • @okamishiranui7841
      @okamishiranui7841 Před 4 lety +58

      I've heard about the diagonal rule before but the magic square is a first for me. Anyways is 5 the only solution in the middle for 3x3 squares?

    • @DominicPerry777
      @DominicPerry777 Před 4 lety +44

      @@okamishiranui7841 Going by what he said, 5 is the only number to go in the middle of a magic square, by rules of elimination. The surrounding numbers vary a touch, depending on any fixed/already placed numbers.

    • @nhathuyhavu8357
      @nhathuyhavu8357 Před 4 lety +3

      How the fuck on earth 5 is the only choice for center? All number have a same role. I dare to say you can put any number in the center except 3,8,4 and 2, just imagine each number replaced by a color. This puzzle has not only 1 result but also dozens, maybe hundreds results (sorry I haven’t watched the whole video yet)

  • @kordellcabe6
    @kordellcabe6 Před 2 lety +2434

    I was lost almost the entire time but I figured out the final nine before he did and frankly that’s win in my book.

    • @MWsamui
      @MWsamui Před 2 lety +65

      I managed to do the same but the fact that we did work that out before him is the reason we're not as good as him, it wasn't the right time for the 9 to be solved

    • @voncornhole
      @voncornhole Před měsícem +1

      Same but the 4 in the center of the bottom row at 22:08 when he marked the 4s in rows 7 and 8

  • @shinysparce3708
    @shinysparce3708 Před 2 lety +836

    Dude, this guy just seems so happy about the little things in life. The way he chuckles when he sees how cleverly the puzzle was made is so wholesome. Be like this guy. Enjoy the little things.

    • @Gquain
      @Gquain Před 10 měsíci +10

      Dude, when he investigated the 2s to find out that magical link that plots everything nicely back to the start of his investigation, i nearly jump from my chair. This rewarding feeling is something that's been missing from my math class my entire school life. It gave me a new appreciation for Sudoku

    • @XplainHindi
      @XplainHindi Před 4 měsíci

      @@Gquain yeah.....

  • @sk8element1919
    @sk8element1919 Před 3 lety +8720

    Me: A six goes there
    Him: A three goes there
    Me: A three goes there

    • @Mermaider
      @Mermaider Před 3 lety +36

      🤣🤣🤣

    • @Kurdent1
      @Kurdent1 Před 3 lety +104

      The hardest part was the magic square and completing another line in next square. The diagonal and knight's move make the rest of the sudoku easy.

    • @Kurdent1
      @Kurdent1 Před 3 lety +4

      @@Mermaider nani?!?

    • @Mermaider
      @Mermaider Před 3 lety +3

      @@Kurdent1 sure thing! The actor or the football player?
      No clue who they are 😂😂

    • @Kurdent1
      @Kurdent1 Před 3 lety +6

      @@Mermaider you totally lost me. Are you the mermaid from Disney?

  • @slowdtunez2438
    @slowdtunez2438 Před 4 lety +6642

    That must be a 5 there
    Me: couldn't agree more

    • @gysmothediamond2046
      @gysmothediamond2046 Před 3 lety +6

      GEUSSED IT C:

    • @A7m0spher1C
      @A7m0spher1C Před 3 lety +9

      Yeah that one was obvious tbh

    • @shadowleaf3151
      @shadowleaf3151 Před 3 lety +1

      It could also be a 1 or 9...

    • @KimBTown
      @KimBTown Před 3 lety +2

      @@A7m0spher1C , I felt so smart tho...

    • @blu2uth
      @blu2uth Před 3 lety +2

      the comment is about 5, has 5.5 likes, had 5 comments before me🤯

  • @SuperSoundtracks
    @SuperSoundtracks Před 2 lety +348

    After beating a medium difficulty sudoku challenge on my phone in an hour, yes, I think I'm ready for this.

  • @seth094978
    @seth094978 Před 2 lety +553

    It's quite interesting how these knights move puzzles tend to end up rotationally symmetric. If you rotate the puzzle 180 deg and overlay it with itself, all cells sum to 10 (in other words, when reflected through the center point, all 1s land on 9s, 2s on 8s, 3s on 7s, 4s on 6s, and 5s land on themselves).

  • @brianbernstein3826
    @brianbernstein3826 Před 3 lety +7630

    I yelled "7" at this guy and he figured out my credit card number minutes later

    • @MajorMilk
      @MajorMilk Před 3 lety +455

      I told him I don't know my social security number, and he figured it out after a few minutes based off my height and age.

    • @petercarpenter7647
      @petercarpenter7647 Před 3 lety +19

      @@MajorMilk lol

    • @EJandEmmanGonzales
      @EJandEmmanGonzales Před 3 lety +30

      I don't think that's possible though.
      01110111 01101111 01101111 01110011 01101000 01100010 01100001 01101001 01110100

    • @vinnig9075
      @vinnig9075 Před 3 lety +7

      @@EJandEmmanGonzales 01110010 00101111 01110111 01101111 01101111 01101111 01101111 01110011 01101000

    • @justindean7354
      @justindean7354 Před 3 lety +2

      @@vinnig9075 01001000 01100101 00100111 01110011 00100000 01110011 01110000 01100101 01100001 01101011 01101001 01101110 01100111 00100000 01110100 01101000 01100101 00100000 01101100 01100001 01101110 01100111 01110101 01100001 01100111 01100101 00100000 01101111 01100110 00100000 01110100 01101000 01100101 00100000 01100111 01101111 01100100 01110011

  • @TRusher22
    @TRusher22 Před 4 lety +5169

    "That's a naked single"
    Stop talking dirty to me

  • @inspiringsand123
    @inspiringsand123 Před 2 lety +341

    Rules: 00:49
    Let's Get Cracking: 02:43
    Puzzle Solved: 24:40
    Simon's time: 21m57s
    And how about this video's Simarkisms?!
    Wow: 3x (11:36, 11:36, 14:22)
    Bother: 2x (21:41, 22:16)
    Obviously: 2x (01:32, 10:04)
    Good Grief: 1x (10:38)
    Eyes are Drawn: 1x (14:40)
    Axiomatically: 1x (04:30)
    Naked Single: 1x (21:13)
    Clever: 1x (14:04)
    Beautiful: 1x (24:40)
    Fascinating: 1x (14:22)
    Elegant: 1x (11:36)
    Going Mad: 1x (20:26)
    Hang On: 1x (11:54)
    Most popular number(>9), digit and colour this video:
    Fifteen (14 mentions)
    Seven (50 mentions)
    Yellow (2 mentions)
    Antithesis Battles:
    Odd (3) - Even (1)

    • @qetzing
      @qetzing Před 2 lety +21

      This has to be taken more time than the actual video xd

    • @AH-yb9ov
      @AH-yb9ov Před 2 lety +22

      I love lists like these! If you can make these you probably watch this man a lot. So just for the record there's another naked single (6) mention at 22:58

    • @justsomeguywhoneverdies9210
      @justsomeguywhoneverdies9210 Před rokem +6

      Inspiring Sand is a bot. And Simarkisms is words that Mark and Simon usually say when they are solving a sudoku puzzle.

  • @tylergerald
    @tylergerald Před 2 lety +277

    At first when you were going over the constraints I was initially thinking "this is impossible" but they actually help you narrow things down, especially the knight's move constraint!

  • @bryangomez1887
    @bryangomez1887 Před 4 lety +4410

    I feel like the kid in high school who contributes nothing to the group project but still gets an A

    • @MrMica22
      @MrMica22 Před 4 lety +11

      described my feeling exactly!

    • @erzbengelraziel5490
      @erzbengelraziel5490 Před 4 lety +15

      But you feel like you actually contributed something.

    • @MacKatha
      @MacKatha Před 4 lety +1

      Omg YES

    • @snowjix
      @snowjix Před 4 lety

      @AsiaNPC Is everybody in cheerleading a cheerleader? A leader cannot lead a leader, so whats the point in having so many leaders and nobody to lead??

    • @tomvandeloo3067
      @tomvandeloo3067 Před 4 lety +9

      @@snowjix a cheerleader leads the cheers of the audience i guess

  • @QuilloManar
    @QuilloManar Před 3 lety +5992

    Did I just watch a man solve a sudoku puzzle for 25 minutes with no background music or personal interest in sudoku? Yes, yes I did.
    Was I thoroughly engrossed the entire time? Yes, yes I was.

    • @andrewfarahmand3179
      @andrewfarahmand3179 Před 3 lety +28

      Basically sums up me

    • @Zhou_Yu
      @Zhou_Yu Před 3 lety +11

      I actually like sudokus

    • @Zedareon
      @Zedareon Před 3 lety +5

      Fascinating for sure

    • @Wert1600
      @Wert1600 Před 3 lety +19

      its kinda late at night, im tired, i do have to go to bed since 2 hours cause i really shoud rest, but i just watched this video and totally can agree with your comment XD (I should go to bed now)

    • @nouashax__
      @nouashax__ Před 3 lety +1

      Yes except I was mildly like sudokus, ever buy a book when I was in high school

  • @gwenedy
    @gwenedy Před 2 lety +159

    I’ve never heard of magic squares or anything like this puzzle, I just do regular ones on my phone. This was really fun to watch

  • @noitallmanaz
    @noitallmanaz Před 2 lety +104

    Here is the funny thing about this. This was the first video I ever watched on this channel. I didn't really even know about regular sudoku and never knew about these variants. I am also a fairly dim bulb when it comes to solving puzzles. This was so out of my league that I couldn't even understand it let alone try to get one number into the grid. But I have been an avid watcher and have been attempting to solve these puzzles every day since this. I decided to come back and try to solve this one just to see if I could do it without Simon's help. I did this puzzle in 17:04 and I was watching a basketball game that was distracting me on the side.
    This just shows what incredible teachers Mark and Simon are. I can solve about a third of the puzzles on here now, and with some slight miniscule help, can solve more than half.

  • @AgentMCCityDE
    @AgentMCCityDE Před 3 lety +6916

    Imagine wanting to solve a sudoku and suddenly being forced to know the rules of chess

    • @lithonious636
      @lithonious636 Před 3 lety +33

      Pretty sure he actually screwed up the knights move on the 2's unless it doesn't focus on how knights actually move

    • @lithonious636
      @lithonious636 Před 3 lety +9

      Pretty much stopped watching after that 😒

    • @lithonious636
      @lithonious636 Před 3 lety +3

      And the 3's

    • @recordeli5427
      @recordeli5427 Před 3 lety +234

      @@lithonious636 The knights move only implies the landing spot of the knight not the actual path taken there. But Sudoku rules also apply so the lane of the 2's and the 3's is also removed inadvertently

    • @Paul-ln2dr
      @Paul-ln2dr Před 3 lety +8

      How come the sodoku book i bought don't comply to the knight's move? Is the knight constraint a must? Tq

  • @GhostinTube
    @GhostinTube Před 4 lety +2971

    Him: "that's a four and that must be a 5"
    Me an intellectual: " ah yes numbers"

  • @Reignor99
    @Reignor99 Před 2 lety +395

    Sudoku with 1 given number: "This is absolutely mad"
    Sudoku with 4 given numbers: "This is absolutely mad"
    I love this channel.

  • @skyerae722
    @skyerae722 Před 2 lety +83

    Decided I wanted to try this by myself before watching him unveil the solution. Took me just under an hour and 45 minutes to complete, and it was super satisfying to finish it. It was neat to see how he was able to arrive at the solution, especially because I ended up solving the magic square in a different way but still ended up at the same result.

    • @Vedika1
      @Vedika1 Před rokem +1

      I took 18 minutes to solve it and my answer is completely different than his but yet its correct.

    • @htjjidr5rk
      @htjjidr5rk Před rokem +5

      @@Vedika1 This almost certainly has a unique solution, so if your solution is different then it is likely not correct.

    • @Vedika1
      @Vedika1 Před rokem

      @@htjjidr5rk But like it all matched. So how only one solution could be a correct solution. was there any other condition that was to be followed while solving in order to have that unique solution?

    • @htjjidr5rk
      @htjjidr5rk Před rokem +1

      @@Vedika1 What is your solution? Did you check it with the software?

    • @Vedika1
      @Vedika1 Před rokem

      @@htjjidr5rk Yeah I did check it with the software and it said looks correct.

  • @sameepsapkota4615
    @sameepsapkota4615 Před 4 lety +6509

    Never in my 19 yrs of existence would I have ever agreed with anyone that one day at 2 in the morning I would be watching a guy playing sudoku

    • @dylanculver1796
      @dylanculver1796 Před 4 lety +63

      God, its 5:34 am here and I'm doing exactly the same

    • @MiyushuBabii
      @MiyushuBabii Před 4 lety +16

      This is where CZcams needs "reactions" cuz I wanted to pick an "LOL" icon.

    • @colehaaks302
      @colehaaks302 Před 4 lety +1

      @@dylanculver1796 lmao nights young

    • @patrick1532
      @patrick1532 Před 4 lety +2

      Same frickin boat here

    • @davidcuervo3160
      @davidcuervo3160 Před 4 lety +2

      Its 4:13 am for me lol

  • @mackenzielee5837
    @mackenzielee5837 Před 2 lety +101

    It just makes me so happy to watch this man be so passionate about something. He’s getting genuine joy out of this

  • @carola-lifeinparis
    @carola-lifeinparis Před 2 lety +57

    this is proof that you can put anything on youtube if you help your audience follow along. Oh that was so beautifully resolved :) Well done. I never heard of these extra rules.

  • @stephenholt6956
    @stephenholt6956 Před 4 lety +4161

    "That square is actually a naked single, that square is a 6"
    Wow me and that square have a lot in common

    • @anantanupam3
      @anantanupam3 Před 4 lety +69

      This needs to go right to the top!

    • @Blockio1999
      @Blockio1999 Před 4 lety +1

      Underrated comment

    • @JohnEsse
      @JohnEsse Před 4 lety +176

      "This is a four/eight combo, and that four is pointing at it to resolve it"
      -Me and my gf in public.

    • @stephenholt6956
      @stephenholt6956 Před 4 lety +19

      @@JohnEsse honestly a perfect response

    • @coconutflour9868
      @coconutflour9868 Před 4 lety +22

      This is the funniest comment I have ever fucking seen.

  • @mymy6018
    @mymy6018 Před 4 lety +1893

    "We've done all of the 2's all of a sudden... Wow... Wow... How elegant is that?" This guy is amazing!

    • @dracobutwhatever8611
      @dracobutwhatever8611 Před 4 lety +11

      mimi88 British ppl be like:

    • @milannesic5718
      @milannesic5718 Před 4 lety

      Grid is empty. Guy just adds his own numbers, and that's it. Hi is not solving anything, he is making it

  • @jamiebrown4647
    @jamiebrown4647 Před 2 lety +27

    never been so confused yet satisfied in my life

  • @Erin_Wilson_Studios
    @Erin_Wilson_Studios Před 2 lety +13

    My mind isn't wired to understand this at all, but it's so lovely to watch someone good at what they do, working away with such joy

  • @finnv5459
    @finnv5459 Před 4 lety +26139

    Watching a 25 minute sudoku video wasn’t part of my evening plans but I’m not complaining

    • @Time4N3R0
      @Time4N3R0 Před 4 lety +67

      Finn V algorythm finest, me aswell:D

    • @j.m.9519
      @j.m.9519 Před 4 lety +67

      12am her and im halfway trhrough the video....fascinating O_o

    • @yeshwanthraja2453
      @yeshwanthraja2453 Před 4 lety +80

      I dont know how time passed. I was very involved lol

    • @archieanansie3948
      @archieanansie3948 Před 4 lety +2

      cheers mate!

    • @muptwitch9129
      @muptwitch9129 Před 4 lety +12

      Isnt it magical...lovely video

  • @pattygee7267
    @pattygee7267 Před 4 lety +2594

    As someone who loves this channel, I'm glad the comments are filled with people who got recommended this out of nowhere and enjoyed it.

    • @curiouslamp2841
      @curiouslamp2841 Před 4 lety +20

      I happen to be one of those people. Turns out this is now his most viewed video within a week.

    • @Hamza-nv2kw
      @Hamza-nv2kw Před 4 lety

      I beleive its because James Charles tweeted about his channel

    • @NailujG
      @NailujG Před 4 lety +18

      @@Hamza-nv2kw That helped it, but I was one of the people who was recommended this specific video by YT and I am hooked

    • @evanjames6164
      @evanjames6164 Před 4 lety +4

      In watching this at 1am and I’m not complaining

    • @sleeperthoee
      @sleeperthoee Před 4 lety +5

      Evan James 1:40 AM for me. I honestly thought the sudoku puzzles I did were pretty hard. Seeing 4 numbers tore me a new one but either way, great channel tbh. Never thought there’d be a sudoku channel.

  • @JumperSnipera
    @JumperSnipera Před rokem +7

    This was the first CTC video I watched during the summer of 2020. I stumbled upon it simply because it had shown up as a recommended video despite having never watched a sudoku video before. I clicked it, I regret nothing.

  • @randybell101190
    @randybell101190 Před rokem +9

    I love how far this has come in two years. 4 given digits and 25 minutes is a GAS puzzle these days 😂

  • @droe2570
    @droe2570 Před 4 lety +4888

    This is one of those puzzles where making the puzzle is probably harder than solving it.

    • @erokMine
      @erokMine Před 4 lety +126

      I am pretty sure, computer generates this with a little help

    • @PuffleBuns
      @PuffleBuns Před 4 lety +437

      @@erokMine I feel like writing a computer program that can generate these kinds of puzzles with the specific constraints would be pretty daunting as well.

    • @maxnovakovics2568
      @maxnovakovics2568 Před 4 lety +73

      I figured it would have been laid out with the rules in mind, and then just removed most the digits

    • @Dimonite314
      @Dimonite314 Před 4 lety +82

      As someone who's attempted to make crosswords: that's every puzzle.

    • @codeender5980
      @codeender5980 Před 4 lety +26

      @@PuffleBuns adding extra constraints should be nothing for a well-designed algorithm. However, if the base Sudoku algorithm is poorly structured and takes too many shortcuts... bodging the extra constraints in could be a problem.

  • @MXCN_El1011
    @MXCN_El1011 Před 4 lety +2709

    "Oh that's easy so this must be __ and this has to be __"
    Me who probably couldn't solve this in 25 days: Oh yeah it's so obvious.

    • @sancheetb
      @sancheetb Před 4 lety +3

      M_X_C_N probably?

    • @karimuda3043
      @karimuda3043 Před 4 lety

      Same

    • @keeperse6
      @keeperse6 Před 4 lety +2

      I'm trying to solve it right now! The timer is on two hours, and I'm at 14:20 of this video....

    • @ddunfuh9239
      @ddunfuh9239 Před 4 lety +3

      It took my 20 minutes of abusing the check system to do it

    • @MisterNohbdy
      @MisterNohbdy Před 4 lety +2

      Actually try it before thinking so poorly of yourself. You might be surprised. And, if not, just remember all of these skills are learnable, not some magical natural talents. ^_^

  • @SyckoSiren
    @SyckoSiren Před 2 lety +18

    Me: doesn’t know anything about sudoku
    Me: yeah let’s watch a 25min video of a sudoku

  • @RobOwenKing
    @RobOwenKing Před 2 lety +9

    So fun coming back to some of these a year later. "Only 4 digits?" Oh my poor summer child. You have no idea what's coming.

  • @stayhungry7436
    @stayhungry7436 Před 4 lety +2798

    This guy should have written the finale to game of thrones

    • @mothybunn
      @mothybunn Před 4 lety +17

      everyone would kill each other and resolve problems with mathematical equations and I feel like I would be into that

  • @iustiniannegrei7244
    @iustiniannegrei7244 Před 4 lety +2341

    It is absolutely fascinating that none of us really searched for this, yet here we are

    • @redinator5
      @redinator5 Před 4 lety +25

      iustinian negrei I wouldn’t say none, a few of us are regular viewers 😉

    • @MrChuck78929
      @MrChuck78929 Před 4 lety +2

      @@redinator5 but did you search for it or you found it on your home screen?

    • @Jon99ay
      @Jon99ay Před 4 lety +8

      I got here from a chess video and down the rabbit hole I went hehe

    • @pickyvanilla
      @pickyvanilla Před 4 lety +5

      4/20 sent me here

    • @nachobittini7293
      @nachobittini7293 Před 4 lety +1

      @@pickyvanilla thats gold

  • @LivelyLinnea
    @LivelyLinnea Před rokem +3

    nearly 3 years after this was uploaded and it first showed up in my recommendations, it was recommended to me again. Only now I'm an avid cracking the cryptic watcher and it's all thanks to this video. wow time sure does fly.

  • @ssmalley2193
    @ssmalley2193 Před rokem +9

    This is way more exciting than I thought it would be

  • @aixan1666
    @aixan1666 Před 4 lety +3357

    the pure adrenaline i felt when he started cracking off all the two's

    • @trialsbike2135
      @trialsbike2135 Před 3 lety +11

      aha same😂 quality comment

    • @sydneydumoit
      @sydneydumoit Před 3 lety +19

      Honestly I was so confused...my last three brain cells hurt after all of that

    • @werewindwolf
      @werewindwolf Před 3 lety +1

      Fair enough. Though that's not even the difficult part of it all.

    • @Aeiouley
      @Aeiouley Před 3 lety +4

      yea, never heard of the "knight's move" rule but it is a pretty powerful constraint

    • @mjc0961
      @mjc0961 Před 3 lety

      Hell, when he started cracking off 2s and I was starting to grasp the rules and also realize "oh, 2 has to go there"

  • @gentuxable
    @gentuxable Před 3 lety +2775

    Is it just me or did anyone else thought at first: Extra rules makes it even harder, but actually that rules out a lot of possibilities and makes it easier.

    • @mauer1
      @mauer1 Před 3 lety +214

      Extra rules always makes it easier.
      The less possibilities the more you can say for sure to rule other possibilities out.
      Especially if you can write down the possibilities for each unique square.

    • @gentuxable
      @gentuxable Před 3 lety +20

      @@mauer1 to be honest i play sudoku completely different now. :D before I didn't know what the small numbers were for lol.

    • @britishgovernment7053
      @britishgovernment7053 Před 3 lety +78

      Without the Knights move, diagonals and magic square, I reckon that would be unsolvable

    • @mauer1
      @mauer1 Před 3 lety +64

      @@britishgovernment7053 it would be easily solveable, though it would have more than one solution.

    • @britishgovernment7053
      @britishgovernment7053 Před 3 lety +2

      @@mauer1 Interesting, would be good to see that done as well

  • @Sam-hs7bu
    @Sam-hs7bu Před 2 lety +9

    "And we've done all the twos all of a sudden" made me laugh for some reason 🤣

  • @nikitaashok3818
    @nikitaashok3818 Před 2 lety +2

    Fantastic construction! Amateur sudoku player here so I hadn't solved puzzles using magic squares and knight's rules before, which made this super interesting to watch and figure as we went along. I actually paused and kept working it out myself and playing the video when I got stuck, and watching how the knight's square and diagonals' rules applied helped me go on! So much fun to solve! Thanks for a great video!

  • @babygoatOW
    @babygoatOW Před 3 lety +5710

    Me after him practically solving the entire puzzle: “the 1 HAS to go there”
    Him seconds later: “The 1 goes here”
    Me: YES IM BIG BRAIN

    • @lookimnotracistbut5695
      @lookimnotracistbut5695 Před 3 lety +132

      I saw something he didn't see for 10 minutes and I feel so smart even though I wouldn't have been able to solve the puzzle on my own

    • @lordtalonmarsden826
      @lordtalonmarsden826 Před 3 lety +4

      @@lookimnotracistbut5695 What did you see?

    • @lookimnotracistbut5695
      @lookimnotracistbut5695 Před 3 lety +24

      @@lordtalonmarsden826 That was 1 week ago I don´t remember "useless" stuff that long sorry

    • @xhbirohx2214
      @xhbirohx2214 Před 3 lety +24

      @@lookimnotracistbut5695 understandable pls have a nice day

    • @feckingud
      @feckingud Před 3 lety +2

      1 out of 9.

  • @denitsar3802
    @denitsar3802 Před 4 lety +2358

    Man: solves whole sudoku and shows little to no excitement
    Me: *figures out a number before him and is excited like a kid hearing the ice cream truck drive by*

    • @gildeddrake1479
      @gildeddrake1479 Před 4 lety +75

      especially near the end. there was so many possible ways to end it, I just took advantage of him pausing for 2sec to see one he didn't. meanwhile I would've spent 10 hours on the first 10 min of the video.

    • @michaelrobertson714
      @michaelrobertson714 Před 4 lety +48

      I was only moderately excited to place the 4 in the bottom row 2 minutes before him at 22:00. It only shows how many ways there are to solve a puzzle.

    • @denitsar3802
      @denitsar3802 Před 4 lety +13

      Michael Robertson i was talking about that 4 too haha 😁

    • @Damariobros
      @Damariobros Před 4 lety +5

      I figured out the top left square's 5 way before he did, and I know next to nothing about sudokus. I'm sitting here silently cheering in the dead of night.
      EDIT: I mean the top left 3x3 grid's 5.

    • @torknudsen2316
      @torknudsen2316 Před 4 lety +6

      The bottom center four you mean? :-)

  • @rexmyers991
    @rexmyers991 Před 2 lety +4

    Absolutely Brilliant! I can’t believe I actually followed along. I had to pause it twice to catch up. Very enjoyable.

  • @Xhopp3r
    @Xhopp3r Před 2 lety +6

    Brilliant. I've been playing sudoku for a few years now. I never even thought of using the knight move from chess. I play the hardest level on the app I have, but apparently that is easy in comparison to other sudoku puzzles. Thanks for opening my eyes to different ways of solving sudoku puzzles.

  • @ciarabutler3340
    @ciarabutler3340 Před 3 lety +2986

    Him: 18 minutes in
    Me: Still trying to understand the magic square

    • @valeria207
      @valeria207 Před 3 lety +122

      20 min in and I'm still trying to understand the knights rule

    • @GOLD-ts7bx
      @GOLD-ts7bx Před 3 lety +53

      @@valeria207 6 hours in and im still trying to understand 6

    • @SamuelEspera
      @SamuelEspera Před 3 lety +110

      19 years in and I'm still trying to understand why I was born.

    • @hanadotexe
      @hanadotexe Před 3 lety +11

      17 min in and I'm still trying to understand sudoku

    • @jhonnysabia7124
      @jhonnysabia7124 Před 3 lety +12

      1 month and im still trying to understand your comment

  • @MajorMilk
    @MajorMilk Před 3 lety +2792

    The man managed to entertain us with a single Sudoku level for 25 minutes.

    • @Ruzzky_Bly4t
      @Ruzzky_Bly4t Před 3 lety +26

      I guess the views are a sign that there are still people with an attention span of over 30 seconds. I was sure that something like sudoku, which requires quite a lot of intellectual effort will not get more than 300 thousand views.

    • @MajorMilk
      @MajorMilk Před 3 lety +19

      @@Ruzzky_Bly4t My attention span us very bad, I just like sudoku.

    • @justcee
      @justcee Před 3 lety

      RawSloth ikr

    • @heavenlything
      @heavenlything Před 3 lety

      sudoku rocks thats why

    • @chrisparkhurst5158
      @chrisparkhurst5158 Před 3 lety

      Right?!

  • @danieltwine3144
    @danieltwine3144 Před 5 měsíci +4

    Mate I can't believe I've only just found you - you are completely awesome. Watching this 25 minutes has been my favourite thing all day :)

  • @izzyshootsiphone
    @izzyshootsiphone Před 2 lety +17

    Everything he just said, I was about to say myself

  • @Morgan423Z
    @Morgan423Z Před 4 lety +1989

    First 5 minutes of this video: How does this (a CZcams channel with someone solving sudoku puzzles) exist?
    By end of video: of course this exists. How did I ever doubt it?

    • @seafoam6119
      @seafoam6119 Před 4 lety +3

      Essentials. Thats what this channel fits in

    • @bigben6340
      @bigben6340 Před 4 lety +3

      When I was 5 min into the video I spotted the viewed count (2,23 million) and it had only been on YT for 10 days and was realy shocked that anyone could get over 10 000 views doing sudoku, but damn was this a good video

  • @callumsapey3021
    @callumsapey3021 Před 3 lety +5325

    not sure how I ended up watching this at 4 am, I’m usually watching people build pools in the jungle.

    • @starlightjupiter6192
      @starlightjupiter6192 Před 3 lety +86

      Hahahaha!! I watch the dudes building pools in the jungle also.

    • @TheShadowMan.
      @TheShadowMan. Před 3 lety +56

      I'm convinced the jungle pools are a $$ making scam 💣

    • @kkall596
      @kkall596 Před 2 lety +1

      Lmaoo

    • @gangsterg1936
      @gangsterg1936 Před 2 lety +5

      I'm watching this at 1:00 am, so I guess thats better....

    • @kevinwise786
      @kevinwise786 Před 2 lety

      Watching it at 2:30am

  • @crazyballerdudeyt1570
    @crazyballerdudeyt1570 Před 2 lety

    never seen sudoku in my life but u just made my day by how excited u were to solve the puzzle. had me totally enamored in a puzzle i really didn’t care for. very intelligent man keep doing what you do

  • @kaydubsthekoifish
    @kaydubsthekoifish Před 2 lety +1

    I had this in my Watch later for years (well, more like months), and only now got around to watch it.
    It was quite fun solving along.

  • @DreamKeeper.
    @DreamKeeper. Před 4 lety +2879

    I can’t believe I’ve come this far in quarantine where I’m watching a guy play sudoku

  • @drazenpavlovic9406
    @drazenpavlovic9406 Před 4 lety +2507

    *puts number in
    Him: " Oh look at that now."
    - me watching in confusion

  • @deborahwhite9331
    @deborahwhite9331 Před 2 lety +2

    I enjoyed how you got the magic square in the center. I did not even think of how to get the three X rows. It was a pleasure watching how fast you went too.

  • @windybeach2184
    @windybeach2184 Před rokem +3

    This old video has given me such an appreciation for the new software and the amazing free app

  • @vvpixelatedgoat3731
    @vvpixelatedgoat3731 Před 4 lety +1374

    I have never been so fascinated with a game of sudoku in my life

  • @VolvagiasBlaze
    @VolvagiasBlaze Před 4 lety +1506

    this isn't the type of let's play i was looking for, but i'm not complaining

  • @allylee3024
    @allylee3024 Před 3 měsíci +3

    Congratulations to Cracking the Cryptic and Aad van de Wetering for the number of views on this beauty of a puzzle as well as it's solve. This was my favorite year of sudoku solving. I think Aad's puzzles introduced me to chess moves in sudoku. You can imagine I did not solve them myself.

  • @DangerNoodleReads
    @DangerNoodleReads Před 2 lety +4

    The newspaper sudoku quivers before this man.

  • @akuankka6445
    @akuankka6445 Před 4 lety +2198

    no idea why I'm watching this but I feel like this made my IQ step up by 10 points

  • @DavidErickRamos
    @DavidErickRamos Před 3 lety +14033

    Don’t know how this ended up on my recommended, but enjoyed it from start to finish. Brilliant work!

  • @GAMINGWITHCABBAGE
    @GAMINGWITHCABBAGE Před 6 měsíci +1

    i didn't realize this was a 25 minute video until after i had watched the whole thing. bravo. kept me encapsulated the whole time

  • @ppbandit8832
    @ppbandit8832 Před 2 lety +4

    Love this puzzle, the first one on this channel I've had the nerve to try
    Took me just over 2 hours, but it's my first non-classic sudoku and by far the most difficult one I've ever done so I'm good with that lol

  • @omegastar2508
    @omegastar2508 Před 3 lety +1832

    This whole video I'm just: "I like your funny words magic man"

  • @cazkills
    @cazkills Před 3 lety +1268

    he keeps saying "we know" as if i actually understand sudoku and im not just watching this at 4am out of curiousity

    • @aby1061
      @aby1061 Před 3 lety +21

      mikhailo I play Sudoku and even I don’t understand what’s happening lmfao.

    • @BURDYMAN777
      @BURDYMAN777 Před 3 lety +4

      It is now 4:13 am and I I'm watching this out of curiosity lol

    • @MrHerodoto
      @MrHerodoto Před 3 lety +2

      Perfect feeling!
      Me at 3 AM here. Never did a sudoku in my life because I never knew how. And this guy does it like it is a magical thing. Crazy stuff.

    • @vilhelm0824
      @vilhelm0824 Před 3 lety

      @@aby1061 I though is my problem

    • @ssj_neo
      @ssj_neo Před 3 lety +4

      @@aby1061 basically they added math to sudoku. No matter which way you turn the magic square it will add up to 15. Then they also added a bit of chess into the equation so it makes it easier to discern the location of certain numbers based off a chess knight.

  • @nevohyams
    @nevohyams Před 2 lety

    Usually with these videos I just watch, but this time I had a strong urge to go do it.
    Took me 44 minutes, though I did struggle a bit with the formatting of the website.
    I really enjoyed it!

  • @deaconpimp
    @deaconpimp Před 2 lety +1

    I love how you get to a certain point figuring out the same blocks, but eventually reach a point of diversion where you finish solving the puzzle in a totally different sequence.
    I’d also like to thank you for teaching a few new rules and techniques in sudoku.

  • @RandalXVI
    @RandalXVI Před 3 lety +609

    *puts a 5 in the middle square*
    Me: "outstanding move"

  • @DarkKnightofHeaven
    @DarkKnightofHeaven Před 4 lety +4249

    It's really fascinating how the knights restriction actually makes narrowing things down easier.

    • @Pr1est0fDoom
      @Pr1est0fDoom Před 4 lety +312

      Yes, restrictions are very helpful in this game.

    • @barneya1965
      @barneya1965 Před 4 lety +117

      Honestly a very fun variation on the game, I enjoyed it much more than the solving strategies I typically use for sudoku.

    • @lalit.1
      @lalit.1 Před 4 lety +17

      I play it everyday and now after learning this knight move, it's going to be easier.

    • @Panic_Pickle
      @Panic_Pickle Před 4 lety +166

      Lalit Singh Fauzdar the knight move isn’t applicable to all sudoku, nor is the magic square. Both are additional rules for this particular puzzle

    • @Zarrow1
      @Zarrow1 Před 4 lety +4

      I love doing killer sudokus for this exact reason

  • @Hwkman4
    @Hwkman4 Před 2 lety +2

    I used to do sudokus for a break from studying during medschool. I gave one of the hardest ones to my buddy, and he solve it in under 2 minutes. Writing them in from left to right top to bottom. I had always known he had the most impressive memory of anyone I have ever met. But in that moment I felt chills.

  • @eliecchase
    @eliecchase Před 5 měsíci

    This is legit my favorite sudoku ever and I love forgetting the solution to discover it again. Thank you for introducing this to me!

  • @CrimsonKing11
    @CrimsonKing11 Před 3 lety +1706

    25 minutes of me silently saying “ahh yes of coarse” to myself even though I had no idea of what was happening

    • @somestranger0283
      @somestranger0283 Před 3 lety +15

      i dont even know how sudoku works, but i still watched the entire thing, i dont know why

    • @willgibson7259
      @willgibson7259 Před 3 lety +8

      @@somestranger0283 start from basic ones, they're a really great puzzle

    • @alli97253
      @alli97253 Před 3 lety +7

      @@somestranger0283 the basic rules are: you need one of each of the numbers 1-9 in every row, column, and 3x3 box. And since there’s 9 cells in each, that means there can’t be repeats. Any extra rules are specific to the puzzle and are explained at the beginning of the video

    • @tacocatt6808
      @tacocatt6808 Před 3 lety +7

      Course*

    • @Deep_phobias
      @Deep_phobias Před 3 lety +4

      @@tacocatt6808 no he meant coarse, sudoku is a rough game

  • @verueblue
    @verueblue Před 3 lety +2929

    It makes me weirdly so much happy to see him solving this - the way he says "It's so clever and elegant"
    Melts my heart every time

    • @davienng7859
      @davienng7859 Před 3 lety +24

      Alr, boys, we know what this means(everyone starts becoming sudoku addicts)😂😂😂

    • @Sebactvi
      @Sebactvi Před 2 lety +5

      Neasi říkal jsem si to samý Veruš

    • @skutecnyatom
      @skutecnyatom Před 2 lety +5

      Máš naprostou pravdu Verčo

    • @bimbon123
      @bimbon123 Před 2 lety +2

      Čau Verčo

    • @sregginetahi999
      @sregginetahi999 Před 2 lety

      how do you pronounce your name Ms. Trckova

  • @Linkus555888
    @Linkus555888 Před 2 lety +2

    No idea how this ended up on my recommendations, i don't even like sudoku but i watched the entire video and am now looking for online sudoku puzzles. Amazing to watch! :D

  • @Leftfield71
    @Leftfield71 Před 2 lety

    That was surprisingly enthralling. Amazing how quickly he solved that puzzle with so few clues.

  • @olympiavitali9035
    @olympiavitali9035 Před 4 lety +2350

    this guy is so calming he's like the bob ross of puzzles.

    • @opachkii
      @opachkii Před 3 lety +1

      Bob Ross’s little brother

    • @blueninja6913
      @blueninja6913 Před 3 lety +3

      FAX
      half the time I had to check if the video was paused lol

    • @polishedmeat6399
      @polishedmeat6399 Před 3 lety

      I recommend you check out Ephermal Rift, he does a shit ton of good ASMR videos, and he even played Minecraft, and made a sacntuary, just type in youtube "Minecraft Sanctuary"

    • @salemtargaryen123
      @salemtargaryen123 Před 3 lety

      Happy little trees

  • @wristdisabledwriter2893
    @wristdisabledwriter2893 Před 4 lety +4079

    I love it when you say “what a beautiful puzzle”. That should be your catchphrase

  • @tormuse2916
    @tormuse2916 Před 2 lety +3

    This is the first "Cracking the Cryptic" video I ever came across, and I wanted to share that I finally solved it today. :) That's not to say I was working on it constantly; I just came back to it a few times over the months, but kept making mistakes, but today was when I finally solved it on my own, so I'm pretty pleased about that. :)

  • @AlonzoTheArmless
    @AlonzoTheArmless Před 2 lety

    I can't believe I enjoyed watching someone play Sudoku. I learned so much watching this. Thanks for sharing this.

  • @brianbernstein3826
    @brianbernstein3826 Před 3 lety +829

    Don’t EVER help this guy move: “The coffee table goes there which means there must be a lamp in either this corner or this corner.”

    • @marcomilo7566
      @marcomilo7566 Před 2 lety +15

      underrated

    • @kaitlynh5782
      @kaitlynh5782 Před 2 lety +47

      “And the bookshelf goes right there for obvious reasons.”
      Me: “Yeah, totally. That makes perfect sense”

    • @seanrrr
      @seanrrr Před 2 lety +13

      Plus nobody wants to help him with his night move.

  • @Armund_Wolffe
    @Armund_Wolffe Před 4 lety +1830

    The fact that the diagonals and knight’s move “restrictions” practically made this solvable is amazing to me.

    • @pelletier1986
      @pelletier1986 Před 4 lety +137

      Exactly. At first I was very skeptical when just seeing the board with 4 numbers, but those additionnal restrictions are actually huge clues and tremendiously help in solving it. Not saying it's easy, I'm no Sudoku expert (I don't really like them).
      His software is pretty nice though! Taking notes like this in real life is more... messy haha.

    • @SuperUghe
      @SuperUghe Před 4 lety +20

      Why? It just gives you more ways to eliminate numbers and figure out the correct ones

    • @Armund_Wolffe
      @Armund_Wolffe Před 4 lety +55

      SuperUghe exactly. At first glance it just sounds like the “restrictions” would make it harder, when in reality they enable you to solve the puzzle.

    • @joseignaciofarias2617
      @joseignaciofarias2617 Před 4 lety +26

      Thats one of my favorite principles of game design, you cant always mark the end of the level with a reward, you can spice it up by showing the player where NOT to go
      (I know it sounds stupid, but once you have it in your mind you realize how many levels could be upgraded with that phylosophy)

    • @zierlyn
      @zierlyn Před 4 lety +20

      In fact, the three added restrictions (diagonals, knight's move, and magic square) made this sudoku much easier to solve than most regular ones. There wasn't even a single mention of any type of "fish."

  • @androgynousbadassvillain
    @androgynousbadassvillain Před 2 lety +8

    Have I been doing sudoku since I was 5? Yes. Am i still confused? Yes. Did I enjoy watching this? Yes. *aggressively sends link to my mother who taught me how to play sudoku*

  • @allylee3024
    @allylee3024 Před 3 měsíci +1

    This was the puzzle that introduced me to chess moves in sudoku. I did not attempt this one on my own. But this is one of my favorites. I still remember watching this one.

  • @TheLyricsGuy
    @TheLyricsGuy Před 3 lety +1445

    Me: “Well, we know there isn’t a 2 in the bottom row...”

  • @charliethomas4250
    @charliethomas4250 Před 4 lety +558

    “25 minutes of a guy playing sudoku? Who would watch that?” 25 minutes later “oh”.

    • @spood3450
      @spood3450 Před 4 lety +5

      Didn't realize I just sat here for half an hour watching this until I read your comment😂

    • @heldersilva6672
      @heldersilva6672 Před 4 lety +4

      I even was: "This bloody video of a guy playing sudoku has 3M views?! 😮"
      25 minutes later: (presses like button)

  • @fulltimeslackerii8229
    @fulltimeslackerii8229 Před 2 lety

    This was the amazing video that I found 1-2 months ago that I’m so glad got me to discover this channel

  • @ImSpun13
    @ImSpun13 Před 2 lety +14

    This is my favorite puzzle so far that I’ve seen. It’s not ridiculously difficult, the rules are easy to understand and the symmetry makes it beautiful. Hats off to the creator!
    🎩
    🙋‍♂️

  • @johnold6867
    @johnold6867 Před 3 lety +4592

    i really hope he doesn’t focus any of his brain energy on anything else because if he did he could take over the world

    • @rumle5
      @rumle5 Před 3 lety +207

      Are you saying you don't want to be ruled by this Sodoku Overlord?

    • @pearcehubbart3767
      @pearcehubbart3767 Před 2 lety +54

      We've had way worse at this point I'm not gonna knock anyone before they try.

    • @benjareinecke883
      @benjareinecke883 Před 2 lety +1

      I already did that :D

    • @elfy7547
      @elfy7547 Před 2 lety +13

      WEL DONT GIVE HIM tHe idEa

    • @rubydubdub2965
      @rubydubdub2965 Před 2 lety +14

      I think I trust him in charge though

  • @TheSourLemon.
    @TheSourLemon. Před 4 lety +522

    Never thought i would be so interested in watching someone solve a soduko without problem.

  • @brynjig7275
    @brynjig7275 Před 2 lety +1

    I’ve never watched anything sudoku related and thought I would be bored, but I was enamored by every second

  • @JengaSama
    @JengaSama Před 2 lety +3

    ive actually learn a lot of tips from watching this puzzle! the knights move is amazing!

  • @MarkRendle
    @MarkRendle Před 3 lety +1808

    This dude is flat-out one of the most watchable people on the entire internet.

    • @oura_borosa
      @oura_borosa Před 2 lety +13

      I thought the same...:)) found this today and im so grateful

    • @matejbrozkovec8795
      @matejbrozkovec8795 Před rokem +1

      I love how when he found a naked six at the middle collum lower row he was just so happy.

  • @tripledemz5614
    @tripledemz5614 Před 3 lety +411

    "Oh and we've done all the twos all of a sudden. Wow. Wow, how elegant is that?" Very elegant my friend, very elegant indeed.

  • @andymoss
    @andymoss Před 2 lety

    Looking back at some older videos, I truly appreciate the deft in how you present the newer content.

  • @EliteKindaNoob
    @EliteKindaNoob Před 2 lety

    I remember watching this so long ago, and I searched your channel later for it but that failed. And now it finally came up in my recommended now. Yay.