One Of The Finest Puzzles We've Ever Seen

▶ NEW PUZZLE/SUDOKU HUNT JUST RELEASED!!◀
We've just released a really amazing puzzle/sudoku hunt by Matyas Martinka. Any correct solution gets a shout-out on the channel! We will be releasing a Murder Mystery Sudoku Hunt for everybody if we reach 5000 patrons.

  / crackingthecryptic  

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Today's puzzle has been recommended and requested in recent days by many of you. It's also been described as "the best pencil puzzle I've ever solved" and various other stellar descriptions from some of the world's finest solvers. It's by Gliperal and it's called Airlocks. Simon attempts to solve it purely logically and concludes it might be almost immune to attack by bifurcation... Is he right? Do leave a comment if you manage to solve it about how you did it!!

You can play it at the link below:

https://test.crackingthecryptic.com/s...

NB If you want to use the "pen tool" Simon uses in the video then click the "cog" icon and select "Enable Pen Tool". Then it should be pretty self-explanatory how it works :)

Rules:
Divide the grid into pentominos (orthogonally connected 5-cell regions). Cells on either side of a given border must belong to different pentominos. Two pentominos of the same shape (including rotations and reflections) cannot share an edge.

If you prefer to use Penpa to solve the puzzle then here's the link:

https://git.io/JsZSD


▶ NEW CTC PODCAST - PILOT EPISODE ◀
You can listen to our new podcast at the links below.
Apple Podcasts: https://podcasts.apple.com/au/podcast...
Google Play: https://podcasts.google.com/feed/aHR0...
Spotify: https://open.spotify.com/show/4lr4ojq...

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▶ OUR NEW KILLER SUDOKU APP IS OUT ON ALL PLATFORMS◀
https://apps.apple.com/us/app/killer-...

https://store.steampowered.com/app/14...
https://play.google.com/store/apps/de...

▶ SIMON REACTION BOARD (!) ◀
With thanks to Andrea for creating this :)
https://simonreacts.avris.it/

▶ OUR MIRACLE SUDOKU APP IS OUT ◀
Steam: https://store.steampowered.com/app/13...
App Store: https://apps.apple.com/us/app/id15273...
Android: https://play.google.com/store/apps/de...

▶ CTC FAN DISCORD SERVER◀
  / discord  

NEW: Guide To Our Discord Server:
https://tinyurl.com/CTCDiscordGuide

▶ OUR BACK CATALOGUE – ALL CATEGORISED WITH LINKS!◀
https://tinyurl.com/CTCCatalogue

▶ OUR NEW THERMO SUDOKU APP IS OUT!◀
AppStore: https://apps.apple.com/us/app/thermo-...
Android: https://play.google.com/store/apps/de...
Steam: https://store.steampowered.com/app/13...

▶ NEW CRACKING THE CRYPTIC MERCHANDISE◀
https://teespring.com/en-GB/stores/cr...

▶ OUR CHESS SUDOKU APP IS NOW OUT!◀
AppStore: https://apps.apple.com/us/app/chess-s...
Steam: https://store.steampowered.com/app/12...
Android: https://play.google.com/store/apps/de...

▶TRY OUR CLASSIC SUDOKU APP◀
AppStore: https://apps.apple.com/us/app/classic...
Steam: https://store.steampowered.com/app/11...
Android: https://play.google.com/store/apps/de...

▶TRY OUR SANDWICH SUDOKU APP◀
AppStore: https://apps.apple.com/us/app/sandwic...
Steam: https://store.steampowered.com/app/11...
Android: https://play.google.com/store/apps/de...

▶SEND US PUZZLES TO SOLVE/CONTACT US◀
[email protected]

▶FOLLOW US◀
Twitter: #crypticcracking
@crypticcracking
Instagram (for how to solve daily clues from The Times): https://www.instagram.com/crackingthe...

▶SOFTWARE◀
Play the puzzle in the video by clicking the link under the video (above). We are building a website which will allow you to enter your own sudoku puzzles into the software and this is coming soon!

▶Logo Design◀
Melvyn Mainini

▶ABOUT US◀
Hi! We're Simon Anthony and Mark Goodliffe, two of the UK's most enthusiastic puzzle solvers. We have both represented the UK at the World Sudoku Championships and the World Puzzle Championships.

Thank you for watching!
Simon and Mark