Unlikely Constraints
(Published on 10. January 2026, 06:56 by Md88keys)
Unlikely Constraints
by Md88keys
Play in Sudokupad
Normal sudoku rules apply.
Global Mod 3: Every 2x2 box must have at least one digit from each Mod 3 set (147, 258, 369).
Region Sum Lines: Box borders divide blue lines into segments with equal value (sum of digits on segment).
Different lines may have different sums.
Solution code: Row 1
Solved by Bjd, BlackWolf, mayiyang, SKORP17, HertogHJ, han233ing
