皑计縒 One kinght step sudoku
砏玥
い恶1°9ㄏ眔–︽甤い计常⊿Τ狡┏︹い计┮Τ皑˙竚いΤ计
rule :
Apply classic sudoku rules. Some given digits are shaded. All such digits have exactly one digit of the same value one knight stop away from its own position.
秆氮 result