This Feline's Poem
(Published on 23. July 2026, 02:30 by juddimal)
https://sudokupad.app/khpu92pj0n
Normal sudoku rules apply.
ANTI-KNIGHT: Cells separated by a knights move may not contain the same digit.
EQUAL SPLIT LINES (blue): Dots split blue lines into segments with equal sums.
GERMAN WHISPER (green): adjacent digits along green lines must differ by 5 or more.
DUTCH WHISPER (orange): adjacent digits along orange lines must differ by 4 or more.
RENBAN (pink): digits along pink lines must be a non-repeating set of consecutive digits, in any order.
Gray lines are both Modular and Entropic.
MODULAR (gray): any sequence of three digits along gray lines must contain a digit from {1,4,7}, one from {2,5,8}, and one from {3,6,9}.
ENTROPIC (gray): any sequence of three digits along gray lines must contain a digit from {1,2,3}, one from {4,5,6}, and one from {7,8,9}.
REGIONAL CONSTRAINT: No digit may appear more than once on each type of constraint.
Solution code: Column 1 (9 digits)
Comments
on 27. July 2026, 15:12 by Arheus
Beautiful, brilliant and BRUTAL.
on 23. July 2026, 11:19 by Elliott810
Absolutely brilliant construction! Thank you:)
on 23. July 2026, 09:14 by Snookerfan
Very nice puzzle! Some really original and weird steps required, or at least applied. Thanks
