SudokuHard · Sheet 151 · 9×9owlpuzzles.comWrite 1 to 9 so every row, column and 3×3 box holds each number once.18415137937569469166287286324736987918346114862157645437319519639251984165382472439354791632766418661384636891569572
AnswersSudoku · Hard · Sheet 151owlpuzzles.com1874192356136857429952634178743581962291376845568429731387965214619243587425718693282147596365918327434762951878239465153671284919485632721354879697826143546593718233621589745187942634792638152516397489374815266845273918963124577258461391439756824475918236132765849869234175398576412654123798721489653513642987287391564946857321