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The Sudoku Proof That P=NP

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Cracking The Cryptic

** TODAY'S PUZZLE **
After the reemergence of Phistomefel yesterday, what a thrill to see damasosos92 reappear today with P=NP, a provocative title if we understand the reference! This is a quite gorgeous sudoku with some really unusual and interesting logic. Well worth your time!!

https://sudokupad.app/in3a5cg87s

Rules:
Normal sudoku rules apply. Every cage in the grid is either a P pentomino or an N pentomino. Every pentomino is completely filled by either a renban line or a thermometer, hidden behind the pentomino. Cells along a renban line contain a set of consecutive, nonrepeating digits in any order. Digits on a thermometer must strictly increase as they move away from the bulb. The position of the bulb has to be deduced by the solver. Thermometers only make vertical or horizontal turns inside the pentominoes and don't branch. All the cages of the same shape hide the same constraint: the solver has to deduce which constraint is hidden behind each shape.

** ISLANDS OF INSIGHT STREAM **
We streamed Islands Of Insight again on Tuesday night! If you missed it, you can watch it at the link below:

https://youtube.com/live/KE7RLE9OH9g

** PATREON REWARD DAY **
We published a new sudoku hunt, Evening Attractions, at the start of March for our monthly competition. It closes on the 20th so get your entries in by then!

They'll also be a bonus crossword video from Simon and his solve of Region Geometry by Emre Kolotoğlu (3hr 36min long...!) released over the weekend. And Simon's discussion video about Dean Mayer's Sunday Times crossword from last weekend will appear at 1minute past midnight on Sunday morning (which is the moment that competition has ended.)

  / crackingthecryptic  

** KICKSTARTER DELIVERED 24 December 2023 **
Our Kickstarter has finished and we've created the finished novella/puzzle collection for you. It was delivered on Christmas Eve so check your inboxes!

https://www.kickstarter.com/projects/...

** ORDER OUR NEW BOOK AT THIS LINK **

If you would like to get hold of a physical copy of our new book, Cracking The Cryptic's Greatest Hits Volume 2, there is still a chance. Visit the link below:

https://beangames.pledgemanager.com/...

▶ SUDOKU PAD Use Our Software For Your Puzzles ◀

You can input classic sudoku puzzles into our software and help support Sven, the programmer responsible for the wonderful user interface we all use to play these puzzles everyday. The app also comes with 12 handmade puzzles from us:

iOS:
https://apps.apple.com/us/app/svenss...

Steam: https://store.steampowered.com/app/17...
Android:

https://play.google.com/store/apps/de...

ALSO on Amazon: Search for “SudokuPad”

▶ Contents Of This Video ◀

0:00 Theme music and puzzle intro
2:16 Crossword stuff
2:42 Patreon
3:19 Wordle 1000
3:50 Happy Birthdays
5:20 Rules
8:59 Start of Solve: Let's Get Cracking

▶ Contact Us ◀

Twitter: @Cracking The Cryptic
email: [email protected]

Our PO Box address:

Simon Anthony & Mark Goodliffe
Box 102
56 Gloucester Road
London
SW7 4UB

(Please note to use our real names rather than 'Cracking The Cryptic'.)

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We also post the Wordle In A Minute videos on TikTok.

posted by huiroom