Donning the GAS Mantle

Here are the URLs for today's five GAS (Genuinely Approachable Sudoku) puzzles:
Normal sudoku rules apply. The leftmost digit in each row tells you the location of the digit 1 in that row (for instance, if the leftmost digit is a 4, then the 1 in that row is in the 4th column). The topmost digit in each column tells you the location of the digit 1 in that column.
Normal sudoku rules apply. And that’s it!
Normal sudoku rules apply. Blue regions are clones, and must contain the same digits in the same relative positions.
Normal sudoku rules apply. Digits in a cage may not repeat and must sum to the value indicated. Digits along a line must have values strictly between the values in the circles on the ends of that line. For instance, if the circles on the ends of a line contain the digits 4 and 8, the digits along the line can only be 5, 6, or 7. Digits along a line can repeat.
Normal sudoku rules apply. A clue outside the grid tells you how many of the first digits in that row or column are either all odd or all even, before the first change. For example, a clue of 3 tells you that either the first 3 numbers are odd and the 4th is even, or vice versa.

▶ SUDOKU PAD - Our New App ◀ NOW AVAILABLE - You can now input your own classic sudoku puzzles into our software using our new App! The app also comes with 12 handmade puzzles from us and it is NOW AVAILABLE at these links:
On Amazon: Search for “SudokuPad”

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Snailmail: Mark Goodliffe, Box 102, 56 Gloucester Road, London SW7 4UB

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▶Music◀
Tim McCaskey (Guitar) or Lucy Audrin (Piano) or Riffclown plays Mozart's Sonata no 16 ("Sonata Facile")
▶SOFTWARE◀
Play the puzzle in the video by clicking the link under the video (above). Thanks to Sam Cappleman-Lynes and Sven Neumann for their work.
▶Logo Design◀
Melvyn Mainini

▶Opening Credits Design◀
Joel Blundell

▶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

[piarittersporn]

I love these GAS-puzzles. They are so wonderfully relaxing and a good balance for the really exhausting ones.

[TurquoizeGoldscraper]

My times:
Pole Position: 5:19
Classic Sudoku: 1:47 - I was almost able to solve it with each number in order, only the 4's didn't solve until I got the 8's in.
Multiple Man: 5:12
Killer Between: 7:11
Outside Parity: 8:16
Total: 27:45

[Hunter-drcr]

Clover's GAS always make me smile. The puzzles are truly fun to complete.

[psiphiorg]

My times:
Pole Position - 8:57
Classic Feb. 3 - 1:17 (!)
Multiple Man - 5:54
Killer Between - 9:48
Outside Parity: 18:11

Total: 44:07

[resop]

Seventy Eight minutes for me. It was a tale of two problem sets. The ones I was good at I was pretty good, the ones I was bad at I was pretty clueless. I was not familiar with Pole Position and it was a slow slog. But, Outside Parity was a disaster caused by my inability so see clues outside of the puzzle on the right side of the puzzle. This has happened to me so many times you would think I would have learned! I spent over 10 minutes on that puzzle desperately trying to bifurcate until I saw that I had miss two clues. But, the other ones went okay. (78:06 - 21:14, 5:37, 9:54, 9:51, 32:30).

[deathguitarist]

Please keep doing more of the GAS puzzle sessions. Its so much more enjoyable when its puzzles I can actually solve.

[joekerr]

These puzzles do an excellent job of showcasing the rules.

[timcotton]

The classic puzzle was set to solve the digits in order, which is how I do regular puzzles, so 1:40. I thought that might challenge Mark's time. Wishful thinking. But then I did beat him on the Multiple Man (by 3 seconds), as that is a style I can see easily. Very fun puzzles this set.

[sageandsound]

Pole: 5:52
Classic: 1:34
Multiple Man: 3:13
Killer Between: 8:17
Outside Parity: 11:18

Super fun!!

[TheKoebi]

That was a nice set of puzzles :))

GAS 241 – Pole Position: 06:38
GAS 242 – Classic Sudoku: 03:21, my fastest solve yet \o/
GAS 243 – Multiple Man: 05:23
GAS 244 – Killer Between: 10:46
GAS 245 – Outside Parity: 12:57
Total: 39:08

[glennmelven]

These were some great puzzles. 46 enjoyable minutes for all 5 puzzles.
On the Multiple Man puzzle I did a little different than Mark. I highlighted all the top cells and saw I had 4 cells looking at a 9 in box 7. making them 9s. Same with the other 2.

[Coyotek]

Puzzle 1 - 4:43
Puzzle 2 - 1:24
Puzzle 3 - 3:17
Puzzle 4 - 4:48
Puzzle 5 - 5:40

Total -- 19:52 (I broke the 20-minute barrier, but I failed to beat Mark on any of these. He was just that good.)

Nice puzzles, as always!

[briancaster]

I would really, really love to see a collaboration between cracking the cryptic and numberphile. Or it would just be really nice to see Simon or mark on there.

[aaronw]

Clover is the bomb. Easy but beautiful construction. Really hard to make something that isn’t that hard have so much pleasure in how it unfolds.

[SmartHobbies]

I enjoyed pole position quite a bit. Fastest time on the classic followed by multiple man.

[heywingliu]

My times:
Pole Position - 7:45
Classic Sudoku - 1:55
Multiple Man - 3:53
Killer Between - 6:34
Outside Parity - 11:21

Total: 31:28
mess up a little bit around the last one, but overall a good solve!

[thomasstambaugh]

I've learned so much here, I really enjoy the classics. I thought I'd toss out some red meat for those who share the animus towards the NYT hard puzzles -- The NYT hard puzzle for 11-Feb-2022 had SIX solutions. Their response when I informed them was:

"We are constantly working to improve the experience for our solvers, so I will be sure to pass your message along to the Games team to consider for the future."

I know most of the audience here finds the classics boring, but I really do prefer them.

[alistairgent]

I love watching the hard puzzles being done BUT these puzzles are the perfect level for me! Keep doing these videos please

[sfraser]

241 – Pole Position 11:42 first time i've seen this rule set so pleased with my time
242 – Classic Sudoku 3:51 without a doubt my quickest Sudoku ever
243 – Multiple Man 8:39 went smoothly
244 – Killer Between 13:56 wasted a few minutes to workout the cage in row 9 had to contain a 5 after that this was pretty plain sailing
245 – Outside Parity 18:19 parity puzzles still cause me problems and i spent a lot of time colouring this puzzle which i think was more of a hinderance than a help
total 56:27 overall happy with my times.

[philipnewmansudoku]

Zooming today, Mark!

Title relationship is obvious, but I'll point out that the clone puzzle is based on Botaku's Magic Clones, which Simon did on the channel back in 2020. ("This Sudoku's Difficulty? A Mad 11/10!")