SudokuHard · Sheet 321 · 9×9owlpuzzles.comWrite 1 to 9 so every row, column and 3×3 box holds each number once.132764224176529581843684972168537935376549614187678531423617978462853189946879441385275164631862957751964
AnswersSudoku · Hard · Sheet 321owlpuzzles.com1531462897684179352729853461973648215845721936216395784168237549397514628452986173272156834953914276848697325185421963731765498296283741567542189324839517619378652431873452694239861576952174833465789122591637488714295367128346959346528715687913244276139854943825167851476923184592736325617498697348215462983571738251649519764382