How Easy Is It To Add Numbers To 10?

** TODAY'S PUZZLE **
Today we return to the world of zetamath whose puzzle, Zag, we somehow haven't featured yet. This is a VERY nice sudoku combining arrows and ten-lines in innovative ways. Two of the arrows in this puzzle would stand a chance of being on the podium in the Arrow Olympics!
Play the puzzle at the link below:
sudokupad.app/LJqq7g8d8d
Rules:
Normal sudoku rules apply. Digits along the orange line must be broken into one or more contiguous groups of cells that each sum to ten. Such groups cannot overlap. Digits may repeat within such sums if allowed by other rules. For example, 513173 is a valid fill for a length 6 line, because it can be broken into 5131 and 73, each of which sum to 10. Digits along an arrow sum to the digit in that arrow’s circle.
Bonus points for anyone who can name the tune in the introduction to today's video :)
Jane Street's Bug Bytes puzzle is available here:
www.janestreet.com/bug-byte/
(Simon's solve of this puzzle is on Patreon.)
** NEW SUDOKU HUNT ON PATREON **
We're delighted to share with you a brand new sudoku hunt themed around snake egg puzzles by Glum Hippo. If you've never tried snake egg logic puzzles before, prepare for serious fun - these sudokus are outstanding! Finish by May 20 to enter the competition!
Other treats on Patreon include:
- the Sumgeons & Diagrams sudoku by sunnyjum;
- Simon's latest forays into the world of Islands Of Insight;
- Mark's video looking at the new OneUp puzzle from Rodolfo Kurchan;
- his solve of Region Geometry by Emre Kolotoğlu (3hr 36min long...!);
- and Mark's latest solve of The Times Club Monthly cryptic crossword
/ crackingthecryptic
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▶ Contents Of This Video ◀
0:00 Theme music & puzzle intro
1:20 The Northern Lights... In Surrey!?
2:52 Steve Pemberton's crossword
4:17 Happy Birthdays etc
6:10 Rules
8:18 Start of Solve: Let's Get Cracking
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[@zetamathdoespuzzles]

A great solve from you as always my friend! You so often seem to read my mind and do things exactly how I intended, and you were spot on this time. Case in point, I was very proud of the step that the three cell box 5/6 sum at the end could not be 343 because it would break the domino in box 4. However, at that point in the solve, there is already a 3 in the box, which most solvers use to eliminate that possibility, making it even cooler that you got it the way I imagined!

[@longwaytotipperary]

I love the Simon/zetamath combination!! A match made in heaven!!

[@Adrian-qp5pi]

zeta i love your profile picture!!

[@puck8166]

i love coming in here and seeing so many other people who are as interested in mindbending puzzles as i am. i feel less.... ....alone

[@puck8166]

til now, i always got by on my own.

[@RoderickEtheria]

37:24, I hope Simon's not forgetting the possibility of a 4=2+2 arrow. 45:36, yep, he acted as if the 4=2+2 possibility didn't exist.

[@helar2574]

at that moment i was thinking, "hmm, Simon trust his markings, he will miss that '4' for sure in future

[@CrazyIvanTR]

Well he at least caught on a minute later 😂

[@janerobson2297]

Yes! I couldn't concentrate worrying that he'll miss it and have rewind.

[@stevieinselby]

"What have I done there? I _did_ mean to write 7" [writes 6 again] 🙄 🤣

[@annek3296]

"What nonsense have I propogated here?!" (Simon at 55:07). I'm going to use this line everytime I find a mistake in an attempted proof. Also, by the way, "elegant" is the highest praise that can be bestowed on a mathematical proof, argument or construction. This puzzle and solution were elegant indeed!

[@inspiringsand123]

Rules: 06:25 Let's Get Cracking: 08:32 Simon's time: 50m24s Puzzle Solved: 58:56 What about this video's Top Tier Simarkisms?! The Secret: 5x (09:16, 09:18, 09:27, 09:27, 10:59) Three In the Corner: 2x (38:19, 57:13) Bobbins: 1x (56:18) Knowledge Bomb: 1x (09:49) Maverick: 1x (24:11) And how about this video's Simarkisms?! Beautiful: 13x (15:41, 26:49, 27:12, 28:38, 36:46, 37:00, 37:18, 44:39, 54:30, 54:32, 58:10, 59:02, 59:35) Weird: 10x (00:58, 08:00, 14:22, 27:12, 33:19, 40:28, 41:11, 50:00, 50:19, 54:15) Ah: 9x (12:47, 17:56, 28:13, 28:13, 33:51, 44:39, 44:39, 51:19, 55:57) In Fact: 8x (12:00, 17:21, 35:02, 37:18, 41:03, 50:00, 51:43, 55:08) Sorry: 6x (08:40, 24:49, 41:00, 45:47, 55:04, 58:31) Lovely: 6x (16:49, 16:53, 27:45, 27:45, 51:32, 59:23) By Sudoku: 5x (31:36, 43:25, 51:56, 54:42, 54:45) Good Grief: 4x (15:25, 15:32, 25:48, 40:08) Cake!: 4x (05:34, 06:02, 06:04, 06:06) Goodness: 3x (36:39, 36:39, 50:31) Nonsense: 3x (42:53, 55:02, 55:21) Elegant: 3x (37:18, 47:05, 47:16) Hang On: 3x (26:35, 35:52, 45:57) Pencil Mark/mark: 3x (43:58, 46:42, 56:26) What on Earth: 2x (37:54, 50:06) The Answer is: 2x (32:49, 54:35) Clever: 2x (15:32, 16:11) What Does This Mean?: 2x (27:48, 38:32) Naughty: 1x (28:03) Brilliant: 1x (59:56) Extraordinary: 1x (02:08) Gorgeous: 1x (51:19) Hypothecate: 1x (21:27) Shouting: 1x (06:00) I've Got It!: 1x (44:39) Obviously: 1x (30:33) Whoopsie: 1x (28:21) We Can Do Better Than That: 1x (32:43) Intriguing: 1x (36:04) Nature: 1x (19:03) Symmetry: 1x (33:02) Most popular number(>9), digit and colour this video: Ten (50 mentions) Two (102 mentions) Orange (5 mentions) Antithesis Battles: Low (3) - High (1) Even (20) - Odd (4) Outside (2) - Inside (1) White (4) - Black (0) Row (3) - Column (3) FAQ: Q1: You missed something! A1: That could very well be the case! Human speech can be hard to understand for computers like me! Point out the ones that I missed and maybe I'll learn! Q2: Can you do this for another channel? A2: I've been thinking about that and wrote some code to make that possible. Let me know which channel you think would be a good fit!

[@angec9908]

Me yelling from the future that the arrow could be a double 2

[@nicka3697]

Oh god yes

[@bradk1406]

i came to the comments to say the same!!

[@studgerbil9081]

more of a visit from the ghost of sudoku past, since that was the first thing Simon mentioned about that arrow, then immediatly forgot.

[@CrankyOtter]

Even after his own warning at 7:49 about repeats on the line, which also applies to cross box arrows.

[@Pathogenus]

taskmaster being mentioned in cracking the cryptic is such a great crossover

[@wenen4510]

My break-in was just slightly different. By asking where 9 could go in box 1. Putting it anywhere on the orange line except r1c3 would require a 1 next to it in box 1. But then the 3-cell arrow breaks because the lowest it could be is 234, which sums to 9... but you already put 9 on the orange line. The rest of my solve was similar from 16:18 onwards. Thanks zetamath and Simon for the lovely puzzle and solve.

[@chocolateboy300]

I finished in 70 minutes. This puzzle was truly excellent. One of my favorites. The logic was so clean and I felt like getting it tested my creative logic skills. Even though I took over an hour to do it, it never felt like a slog nor did I feel like I got stuck. Great Puzzle!

[@HunterJE]

Pen tool (in a color visible against orange) is great for marking this type, you can both trace center-to-center segments along the line to indicate cells which must be the same 10-sum (similar to how Simon uses shading here) AND use your choice of either edge “x” marks or perpendicular edge lines to indicate boundaries between cells which must be in different 10-sums

[@malcmac2980]

This took me 34:56. I am very pleased with that, lovely puzzle, now to watch Simon solve it (and then Zeta's reaction later)

[@longwaytotipperary]

Love the guitar intro!! Love the photo of the northern lights !! I didn’t know in advance, but the northern lights could be seen in my area last night! I’m going to look out tonight and see if they are still visible! Will watch for the cryptic crossword tomorrow. Also a Doctor Who fan, watched the two new episodes today! We had lovely weather today - so spent some time outside!

[@davidrattner9]

Saw the northern lights by me!! Very neat and beautiful. Hope you were able to see them and glad able to be outside today.

[@backpacking_trombonist]

What I found remarkably pretty about this puzzle is that the solve path slowly converged upon box 9 diagonally from box 1. The pencil marking and solving remained so satisfyingly clean throughout the entire puzzle.

[@langy2068]

Love the aurora pic (and the solve, obviously). I’ve seen loads of pics from my friends in Victoria (Australia) and there’s even a suggestion that we might be able to see the aurora australis here in southern Queensland tonight. (But obviously that won’t happen because it’ll be cloudy and raining.)

[@davidrattner9]

What a treat! Guitar intro with a Zetamath puzzle!! Know how much you admire him Simon!! Fabulous solve!!

[@angec9908]

Beautiful pic 😮 the northern lights made it all the way down to Florida!

[@PassionPopsicle]

Oh, I love the guitar intros. Always such a treat. And one of my favourite songs to boot

[@ClasspectrumA]

Which song is it?

[@SomeRandomGuyOnYouTube]

@@ClasspectrumA "Alone", made famous by Heart

[@filkube8540]

I really liked this! I got it in a little under 2 hours, with just a smidge of help with starting the lower left end of the line. Very proud of myself, thank you for the beautiful puzzle.

[@angec9908]

I still can’t get over the fact that you don’t use the number pad

[@zhoppa]

I only just realized this after watching 200 videos

[@TheClawNinja]

I live by the number pad!

[@glum_hippo]

I’ve never even seen a guitar with a number pad

[@Paolo_De_Leva]

Also, he does not use the shortcuts or graphic buttons for undoing previous inputs or deleting multiple pencilmarks at the same time (e.g. Ctrl + Z, Ctrl + Del, Shift + Del, or the equivalent keypad buttons). He does not really care. He prefers using longer, more time consuming, less accurate, but *more familiar* input sequences. Ages ago someone published a fun video called "How Simon Antony solves a sudoku."

[@objectshowfan362]

So? I don't use the numpad either. The number buttons above the keyboard are closer and thus easier to reach.

[@kitneyspears]

I like the guitar intros! Very nice way to start the video, although the typical piano is very nice too :-)

[@emilywilliams3237]

This was very fun to watch! I enjoy it when you are having fun, Simon, and this was an excellent puzzle with lots of interesting steps.

[@anaayoung9142]

Zig zig zag Going on the path To watch Simon's solve The puzzle from Zetamath

[@mycroft64089]

I glanced at this, invoked zetamath in my mind, and instantly saw the parity issue in box 1 that lets you start splitting the line.

[@chickenleg5359]

Wonderful photo of the northern lights in the beginning Simon. I actually think there was a big solar storm yesterday which would increase the likelihood of seeing Northern lights. interesting fact.

[@awilliams1701]

Simon thank you! your little guitar intro reduced my stress levels instantly. I've gone from like an 8 to a 5.

[@bridgmaneli]

Simon is the only person who would say forgive me if I got that right in a sudoku 😂😂😂

[@NoobixCube]

I know Simon is certainly not the greatest guitarist on earth, but I always like hearing a little guitar intro like that, and I'd definitely like to hear full versions of these.

[@annek3296]

LIstening to Simon's too-rare guitar intros has made me want to learn to play the guitar!

[@youresogolden_]

your comment would have sounded so much nicer and less backhanded had you just left out the first part and started with “I always like hearing a little guitar intro”…

[@Gonzalo_Garcia_]

28:58 for me. I got quite stuck on box 4 for a while, I can't believe how fast Simon spotted the trick there, very impressive!

[@taliesintown9710]

Happy to watch another video like always! Maybe one day I won’t have to rewatch it tomorrow morning after I inevitably fall asleep once again! Also really excited about the aurora!

[@kgeiger61]

That was a beautiful puzzle. It had some fantastic logic and fell together nicely.

[@RedBarchetta2019]

While my proof was not exhaustive, it was nevertheless quite an adventure. After discovering roping in 1,4,7, I asked what if I place the 5 in box 5 right here? It will cause roping in 3,6,9. So I did place the 5, and it did rope and solve the puzzle. Very fun puzzle, zetamath!

[@MattYDdraig]

44:02 I really liked the interactions in boxes 1 and 2 between the arrows and ten-lines. Lots of subtlety throughout.

[@Arcessitor]

36:40 for me, very intuitive puzzle. Didn't get stuck once. Some very clever setting here.

[@TheMeanderingduck6]

Does the intro sound like Alone by Heart or is it just me?

[@TheClawNinja]

That's what it was...right?

[@MaryVidal-pt8bx]

I light up like Simon discovering 3 in the corner when I hear a guitar intro.

[@NoobixCube]

Indeed it was Alone. Check out Floor Jansen's cover. Her voice is incredible.

[@CrazyIvanTR]

Simon please oh please start using the numpad, it helps immensely with the butter fingers (I also make many mistakes if I don't use it). Also it makes it easier to use shift+number or ctrl+number combos and you can use markings much more easily.

[@jdyerjdyer]

Made one small mistake excluding a digit out of R7C8 which led to a contradiction. Watched the video to that point instead of starting over, saw the mistake and the rest proceeded smoothly. Fun puzzle, even if it took just over an hour and twenty minutes. Cheers!

[@fulltimeslackerii8229]

Zeta is a top ten setter of all time for the channel

[@benjaminrealy5661]

40:35. Perfect puzzle to play imbetwee wait times on bus rides to a place I've never been

[@remybeauchamp]

I vote for a guitar intro for every puzzle :) Love them!!!

[@ChasePhillips7]

This one kicked my butt. I just couldn't wrap my head around the 10-line... it took me way too long, even after watching the break in 😅 But I finished it, so I'll take the progress and the win.

[@MrRietmann]

Renban lines in the sky

[@dustpan5356]

41:45 for me. I always enjoy zetamath puzzles, the logic seems to flow so well through the solve. Really enjoyed the parity trick in box 4, that was probably the most satisfying part of it for me.

[@ericpraline1302]

Super stuff, thanks. My path was almost exactly the same as Simon's except that I was slower to resolve box 4.

[@CrankyOtter]

As a kid, we used to get northern lights in Mn pretty regularly so I was always confused by people who traveled to extreme locations to see them, but light pollution is a doozy.

[@dwdei8815]

Watched spellbound for ten minutes, waiting for the next breakthrough with bated breath - before I realised I'd inadvertently put it on pause.

[@treymcknight6057]

So been watching for years and I just realized he sounds like C-3PO and now I can’t get it out of my head

[@Sam_on_YouTube]

44 minutes. I had to stop for a bit and check the solution. I had accidentally placed a 6 in the bottom middle of box 3. Didn't need to see your solution, the point I checked you hadn't filled in that box yet. But when I saw that everything else I had was correct, I was able to spot the mistake.

[@jkid1134]

Excellent puzzle, lovely flowing logic from zetamath as he does. Video has me little squirmy but we love you anyway Simon. I wonder if you ought to get keyboard that makes it easier to hit the number keys blind - either a numpad or some bumps or something. (I thought muscle memory would set in, but it's been years now and you very regularly hit the wrong number and correct when you see it on the screen)

[@jurgenbaumann67]

Started cracking, but had to stop and watch your video till 33:16 - I didn´t see orange line started at R5C2 could only have two digits up to ten. That was the hint I needed to solve the sudoku than.

[@piarittersporn]

Very beautiful and quite easy puzzle.

[@CrankyOtter]

Simon stopped coloring 10s when he hit the diagonal and not coloring slowed it up for a moment.

[@josephbentley7780]

58:08 for me, quite happy that I was able to solve a Zetamath puzzle. i recognize his name from some crazy math based sudoku puzzles and I don't think i'm very good as sudoku's that involve math.

[@angec9908]

Maverick always knows when Simon starts recording

[@MarushiaDark316]

I read the title of the video and my first thought was that There I Ruined It Parody of "I can only count to four." If ya know, ya know.

[@jaredbitz]

Took me 109:17, but had a very enjoyable time all the way through!

[@RealCadde]

24:30 You have an X-wing on 5's in boxes 1 and 2.

[@LednacekZ]

39:34 for me. quite challenging, but still doable.

[@Tepalus]

I just realized that there seems to not be any word in english that explains the german word "schlicht". Simple in german means "einfach, leicht, schlicht" all together. But "schlicht" is what Simon tries to explain when he said "here is a simple point. Well, not simple but...". "Schlicht" is positive connotated. In architecture it's when you have a beautiful, easy to read and reduced floor plan for example. You'd say "It's a schlicht/simple floorplan". To any natives out there, am I right? Or is there a word for it? Because "simply beautiful" doesn't exactly mean the same imo.

[@rmjarvis]

Elegant is close.

[@user-my2nm3lz7w]

If I am understanding schlicht correctly, I think you are right---English doesn't have a word for it. From what you wrote it seems like it might be a combination of elegant and the word 'apt' which means exact and to the point.

[@Tepalus]

Thank you both. Yeah elegant and apt might be similar :) thanks

[@RealCadde]

17:20 UGH, how could it ever be a 1-2 pair? You'd break the arrow in box two then because even if it's a 9 in the start of the arrow. If you can't use 1 or 2, then you are left with 3-4-5, which sums to ELEVEN. I love your first logic, amazing that you were able to spot it so easily. But then it just goes out the window as "used"? We'll see in the next 30 seconds if you realize it, but i am thinking you won't and will spend time elsewhere before finally coming back to it and noticing it. EDIT: Called it, took you around 60 seconds to rediscover the same logic and now you are explaining it again.

[@TheClawNinja]

I checked for the lights last night, no luck here in Michigan. Gonna try again tonight.

[@kevray85]

Simon has an unhealthy obsession with 3 in the corner

[@srwapo]

78:47, I totally missed there having to be a 2 on r4c3 or r5c4 and I scrolled through the timeline a second time when I was stuck to see that I needed to concentrate on the arrow in Box 4.

[@TurquoizeGoldscraper]

62:03 for me - I got stuck looking for something in the first three rows when I realized that I needed a two in R4C3 or R5C4, which fixed R4C5.

[@evanbasnaw]

Great Guitar intro

[@myfyrmadocjones]

Should have entered that for Eurovision

[@eduardvaniersel7535]

Excellent interlude to replace the Dutch entry.

[@alanclarke4646]

Replace the abysmal UK entry, you mean.

[@myfyrmadocjones]

@@alanclarke4646 that’s what i was alluding to. 😀

[@myfyrmadocjones]

@@alanclarke4646dreadful wasn’t it - the public vote of nil points was appropriate

[@BigAsciiHappyStar]

Why can’t we have the unofficial CTC song for EuroVision? 😀

[@RealCadde]

Yeah, you need to start using a number pad. A.K.A, NUMPAD. It's too easy to hit a number that's totally wrong when you have then all 9 in a row (technically ten, counting the zero) and you keep hitting two keys at the same time ALL the time when you pencil mark and whatnot. If you don't have a numpad then you can easily get JUST a numpad and plug it in. Preferably one with bigger keys so you can't miss them. And if you DO have a numpad and is or isn't already using it, then get a separate one with bigger keys or start using the one you have. In fact, you can also get separate CTRL/SHIFT/ALT keys as a standalone device. Then you can press CTRL to highlight center marks, SHIFT to highlight corner marks and never use ALT because it's not a separate feature in Sven's software anyways. Pressing both CTRL and SHIFT lets you do colors. Maybe a feature request is in order to have ALT as a shortcut for drawing lines or circles/crosses. Either way, the last couple of puzzles i've watched have been you hitting two keys at the same time. Lucking out on the one you intended. And you've made the mistake three times in the past two puzzles where you place one digit while thinking another.

[@jubileejazz]

No mention of the roping in columns 123 and 789

[@six_5000]

77:26 with lots of adding on fingers

[@Rach881101]

46:54 for me. Nice puzzle!

[@AndrewMooreMar]

If Simon has more slips of the finger when typing a number, he could even take the record off myself!

[@ClasspectrumA]

What's the name of the piece Simon plays in the guitar intro?

[@ano_nym]

Interestingly enough we hardly saw these northern lights in Sweden since it doesn't really get dark during nights now in spring.

[@chrislewandoski3383]

Big break for the puzzle was realizing column 6 bottom digits were all 6789. That split the 10 line between rows 8 and 9, meaning the tail end of the string was 3 dominoes.

[@johnnycashless4758]

A proper ricket today! As mi mam says tho , inti luvlie

[@grahamania]

01:02:44 for me. Sigh, I could hear zetamath laughing at me the whole time :/ Kind comment.

[@RichSmith77]

Has something changed with how grids are displayed, particularly on mobile screens? The grid seems larger in relation to everything else on the screen, including the input panel buttons. The page seems to automatically resize, so the grid still fits on my screen, but the pop-up window with the rules is tiny and hard to read, and the input panel buttons are a lot harder to touch accurately, with being so much smaller in relation to the grid size. It doesn't appear to affect the puzzles in Mark's videos, but I've noticed it on the last two by Simon.

[@ubk-qm4rz]

Do the rules as written allow one of the groups to be something like R3C6 and R4C6? It seems to me that they do but his example when going over the rules seems to indicate not.

[@MythicalSquidInk.]

Omg I just learned I live really close to this guy

[@alanclarke4646]

Are you Maverick? 😂😂

[@BestHakase]

But how?

[@MythicalSquidInk.]

@@BestHakase he talked about how he saw the northern lights at the start of

[@BestHakase]

@@MythicalSquidInk. There is a solar storm currently raging and auroras are visible in many places

[@MythicalSquidInk.]

@@BestHakase yea but he said where he was too

[@Urutsini]

Is it conventional to have solves start from the top left corner, or generally left to right or top to bottom?

[@tessabrisac7423]

Some setters, like Clover, use it as a way of telegraphing their intention, others don’t… when there is no fog it certainly helps…

[@Adamhumphrey75]

Is the theme music Alone, by Heart? (though I first thought of the Celine Dion version)

[@iceberg54321]

Forgot to put the colors back after the miss-click :(

[@10prozenthimmel]

17:26 Doesn‘t the exact same argument apply to box 2 to mean that there can’t be a 12 pair joining the 7? If it wasn’t a 3, the arrow would be 345 adding to 12. It’s so funny how Simon does the cleverest logic and forgets it a second later. (I paused the video to comment this, I’m sure he is going to spot it in “a moment or two’s time”).

[@77kaczka77]

I prefer CtC over ESC

[@sly1024]

ESC? Is that a new drug? 😂 Or electronic stability control?

[@77kaczka77]

@@sly1024 Good question! Btw. If somebody talk about football (soccer) my question is “Is it the show, where 22 adult are running after a dirty ball?”

[@sinajakelic]

pemberton’s greatest was league of gentlemen ❤

[@pehuenhernandez2476]

15:59 agadmator mentioneted

[@selinafox]

lol you did it three times lol you ARE human! ❤❤

[@malvoliosf]

Up until about two years ago, Simon was a real butterfingers on the keyboard. Today there was a bit of reversion to form. Perhaps I have been spending too much time on this channel...

[@sly1024]

Don't worry my friend, we all spend too much time here. Every day! 😂

[@HunterJE]

17:00 The 12 option is very easily ruled out because 3+4+5>9…

[@thatonerisottosimp6791]

oh wow im early!! happy solving, dont forget about the possible aurora borealis tonight!!

[@caolanmoore4027]

You get about 24 hrs of warning for when a big cme is coming which is why you might not have heard about it

[@BigAsciiHappyStar]

Simon plays guitar much better than Josh Starmer (from Statquest) 🤪

[@OoHZa3376]

If I use the number keys above qwerty, I would have mistyped more than you. Don't feel so bad about it 😂

[@Legerine]

if you want to see the Northern Lights, come to Canada! Go visit the Yukon! Or you know, stay home...

[@doctorduck3596]

I always wondered, why do they say purple if it’s pink?

[@dustpan5356]

People’s eyes see colors differently sometimes, even if not colorblind. In the past Simon has mentioned that to him it looks more purple. To me it looks more pink. That’s about all there is to it.

[@doctorduck3596]

@@dustpan5356 weird, Mark also calls it purple.

[@anaayoung9142]

Maybe it is just me, but I loved Simon's mistakes today. They are very funny and make me happy today! 48:27 "this got to get backwards [the number]" then he place a 1 there and says: "I don't know if it joints to here or not" 54:44 "That's a 3 (places a 4) by sudoku" 57:26 " That's 7 (places a 6)" And the little arrow 2+2=4 in boxes 4 and 5!!! Thanks for the happy Simon! 😆

[@angec9908]

Oh no Simon being forced to do sudoku

[@deepanshushukla116]

When you live near tropic of cancer these events of aurora lights seems like alien occurrences. :(

[@_-_-Sipita-_-_]

20:59 for me.

[@Ardalambdion]

Pray it's easier to count to 10 this time than with Jay Dyer...