SudokuHard · Sheet 499 · 9×9owlpuzzles.comWrite 1 to 9 so every row, column and 3×3 box holds each number once.127552834341863413274571396972847936691575798531588224363483521768992413837149754453172434261972283628991819735857136587
AnswersSudoku · Hard · Sheet 499owlpuzzles.com1312798654954126873876543219427961385685374921139285467298457136741632598563819742252864793191752346836489157223698471574136582989571234667315928448927615315243869737198324656834957212457163895972486131246538978369715429715642384583291763621879544793482615615397428428165937367251894249873156581649273174936582852714369936528741