SudokuHard · Sheet 519 · 9×9owlpuzzles.comWrite 1 to 9 so every row, column and 3×3 box holds each number once.1142864193653634778431867527824182354645853982539635959348613184932613926725882991773568744179971268259122387619223459763
AnswersSudoku · Hard · Sheet 519owlpuzzles.com1635781942928645713714293856592478361863129475147536298459312687381967524276854139275492138682935647116347892548156723997683251453214986734871569261529374829768415331368527494573198622897641533924815766742953818156372949215764387489236155631489274431257968957168324682439751864591237795324816213876549378645192126983475549712683