砏玥い恶1°9ㄏ眔–︽甤い计常⊿Τ狡夹ボ矪┪オ綟ㄢ计惠琌キよ计(ㄒ 25 5 キよ)⊿Τ夹ボ矪玥ぃ眔キよ计
rule : Apply classic sudoku rules. If two horizontally or vertically adjacent cells (read from left to right and from top to bottom) form a two-digit perfect square, it is marked by a gray square. All two-digit perfect squares are marked.
秆氮 result