Wednesday, January 26, 2022

Puzzle No 172: Nori Nori

Rules: Every region contains exactly two black cells. Each black cell must be a part of a 2 x 1 or 1 x 2 block (domino), irrespective of the region borders. No two dominoes may share an edge. Black blocks can touch each other diagonally.

Penpa+: Online Solving

Puzzle: