SudokuHard · Sheet 277 · 9×9owlpuzzles.comWrite 1 to 9 so every row, column and 3×3 box holds each number once.158543268549643214296488513232429635726851341514432819328231676842862791737539445481346158281359654128236718145
AnswersSudoku · Hard · Sheet 277owlpuzzles.com1547368912698512347132794658821659734965473821473821569216937485389245176754186293236521479821897543679463852117935286485246791364318925792174638548659317253782164939413572688231467595769824137142385963694158272587691341926743856875239414358916724859136427461275983372849561183427659297561834546983172715398246934652718628714395