What a Swirl

(Published on 6. September 2025, 18:35 by FlxCat)

Rules:

1. Normal irregular sudoku rules apply.

2. Killer: Digits in a cage sum to the clue in the top left corner of the cage. Digits can repeat if allowed by other rules.

3. Diagonal: Digits along the negative diagonal line must not repeat.

4. Anti-Knight: Cells separated by a knight's move in chess cannot contain the same digit.

Solve using SudokuPad

Puzzle:

Solution code: The digits on the diagonal and Row 9:

Solved by jalebc, SKORP17, gxorgx, Simon Yuan, tuturitu, Wahaj, pseudoku, sujoyku, Starlight, Jodelbanane, Fisherman, Zaragan, tgstar, by81996672, Exigus, c373s, DiMono, Qodec, Bubbalubba, cygne, forsen, Crul, PinkNickels, Debrutsid, AN_not_IO, TaeChi, trashghost

Full list