Heartstring
(Published on 3. October 2026, 22:48 by iEtsh)
Heartstring
RULES
Normal Sudoku
Normal Sudoku rules apply.
♞
Anti-Knight
Cells a chess knight's move apart cannot contain the same digit.
Zipper Lines (lavender)
Digits on a line must have a sum equal to the digit in the center when paired equidistantly from the center of the line.
Renban Zipper (fuchsia)
Digits on a line form a set of consecutive digits in any order, without repetition. The line also follows the Zipper rule.
Entropic Lines (peach)
Every set of three consecutive cells on a line must contain one low digit (1–3), one middle digit (4–6), and one high digit (7–9).
German Whispers (green)
Consecutive digits on a line must differ by at least 5.
Solution code: Row 9
Last changed on on 4. October 2026, 23:56
Solved by SKORP17, Gunkan, Mattzoid, jalebc, lina_hyena, trinity33, karoline, mazen, Maldivia, McMingus, whtshername, PippoForte, palpot, grunde, strangelyinsane, Togoretastic, wotmania505, Snookerfan, ... sarabtx, kangaroo, pms_headache, QuiltyAsCharged, potatojuiceultra, macronate, Omnicole, sedici, renegade_duck, esumpter, BellBear, BorisTheSnake, TheGrand547, laky, Harold, flipout, yeah, Kabuki73
Comments
on 5. October 2026, 11:46 by Snookerfan
Lovely, thanks!
