SudokuHard · Sheet 401 · 9×9owlpuzzles.comWrite 1 to 9 so every row, column and 3×3 box holds each number once.1435915831258217646789683742639862743294691548598781343673443658524973229553781715244193261833628942535329878593
AnswersSudoku · Hard · Sheet 401owlpuzzles.com1473615829618729345259834617742963581385241976196587432564178293937452168821396754287451623959384217661239748538625179442768935195173462824596381776912854313847596236975318244386721592518497635621943788197532463742689151269854379453276817834165924481953726567128439329467158754392861893716542612584397948631275135279684276845913