X-Fold Antisymmetry
(Published on 15. January 2025, 20:04 by juggler)
click on the puzzle image to play
In each grid, normal 4x4 Sudoku rules apply.
X-SUMS - On each grey tab, write some number that acts as an "x-sums" clue in both directions, i.e. moving into a grid from the tab, the first N cells sum to its number, where N is the first digit seen. (Different tabs may have different X-sums.)
FOLDED ANTISYMMETRY - If the puzzle were folded along one dashed line, and then along the other, no digit would overlap another identical digit.
Solution code: Bottom row (9 digits)
Last changed on on 16. January 2025, 02:50
Solved by SKORP17, gdc, Felis_Timon, DubiousMobius, Grothenlace, Puzzle Weasel, kublai, IcyFruit, ThePedallingPianist, aqjhs, MSDOS, karlmortenlunna, fkib, Andrewsarchus, Spider, drf93, smckinley, marcmees, ... Mr. Happy, sandbo00, drifting, zuzanina, Jensa, Thomster, spirozh, gafl, zilla, vlin, tgstar, arangues, tuoni2, elsquared, Krisonium, Raistlen, werkelmann, Lovejoy , spaanse, Moltaar, widjo, hasti2c
Comments
on 15. January 2025, 22:39 by Puzzle Weasel
So very neat, thank you.
on 15. January 2025, 21:08 by DubiousMobius
I really enjoyed this take on disjoint grids. Lovely when a puzzle encourages you to imagine crumpling it up a little before you even begin!
