SudokuHard · Sheet 570 · 9×9owlpuzzles.comWrite 1 to 9 so every row, column and 3×3 box holds each number once.1968321672416231978579931795752251264426159232667975164837935737936598921526891891378284498745328151952378287617632
AnswersSudoku · Hard · Sheet 570owlpuzzles.com1279654813835921467416837529954278631623149785781563942592386174148792356367415298251973264842786935138614592785467319293142876567259148316598723479325481624831657935794326184816792532368159478932614751543978266275483917489561323127845699651237844691258473832471965754963281425786319918532647376149852287695134143827596569314728