Logic Masters Deutschland e.V.

NYPD

(Published on 29. May 2025, 13:01 by phil_the)

This puzzle was set for one of Scojo's Setting Saturday prompts. The randomly chosen constraints were Yin Yang and Doublers. I hadn't made a puzzle for a previous prompt which was to use Palindromes and Non-Consecutive. So I decided to combine both into one puzzle.

Place all of the digits 1-9 in each row, column & 3x3 box.

Non-consecutive: No two orthogonally connected cells may contain consecutive digits.

Yin-yang: Shade some cells such that all shaded cells form a single orthogonally connected group and all unshaded cells form a single orthogonally connected group. No 2x2 region may be fully shaded nor fully unshaded.

Palindrome: The sequence of values along a grey line reads the same when starting at either end.

Doublers: The value of any unshaded cell is the digit in that cell. The value of a shaded cell is double the digit in that cell.

solve in SudokuPad

Solution code: unshaded digits in column 7

Last changed on on 29. June 2025, 21:39

Solved by Snookerfan, Felis_Timon, bansalsaab, sootierr, Dentones, mnhuik, Gilliatt, jkuo7, Asphodel, tonald, karlmortenlunna, Chishiri, elpadrinoIV, paranoid, DiMono, Scojo, Sotehr, lmdemasi, steeto, Doc Liu, han233ing, rmn, numpty, Hazem-77, h5663454, cyddrdrd, sehringdipity, SamWHE, Frank Puzzles, ghosting, Luaryo, jordanza, monaters
Full list

Comments

on 18. July 2025, 12:09 by cyddrdrd
The solution code is really friendly :)

on 29. June 2025, 21:37 by phil_the
Updated image to match the SudokuPad version

Last changed on 29. June 2025, 21:41

on 29. June 2025, 19:10 by peacherwu2
How come it's different in SudokuPad?
(Phil) apologies, I must have uploaded the wrong version by mistake.

on 19. June 2025, 13:37 by DiMono
What a cool break-in! Great puzzle.

on 29. May 2025, 15:08 by Snookerfan
Great puzzle! Brutal and fun, thank you!

Difficulty:4
Rating:99 %
Solved:33 times
Observed:8 times
ID:000NKY

Variant combination Online solving tool

Enter solution

Solution code:

Login