Sudoku: Normal Sudoku rules apply.
Kropki: Digits in cells separated by a white dot are consecutive. Digits in cells separated by a black dot have a 1:2 ratio.
Palindrome: Along grey Palindrome lines, Digits must read the same forwards and backwards.
Hidden Window 5: Digits may not repeat in any 3x3 area centered on a 5 (Or 2x3 if on an edge).
Previous Hidden Window Puzzles |
Nine Cages |
Eight Quads |
Solution code: The Hidden Window centered on the 5 in box 9, read left to right by descending row
on 16. February 2025, 15:11 by mihel111
This hidden windows constraint works beautifully. Very nice colouring puzzle.
on 16. February 2025, 12:09 by Snookerfan
Very nice, thank you!
on 16. February 2025, 00:50 by Fisherman
Extra windows are always sweet.
Thanks.
on 15. February 2025, 23:02 by Elliott810
Beautiful puzzle! Thanks:)