SudokuHard · Sheet 437 · 9×9owlpuzzles.comWrite 1 to 9 so every row, column and 3×3 box holds each number once.12646178686399725341291858329751395645915679283891766438426536937298557834981264514673643895862149421788551649
AnswersSudoku · Hard · Sheet 437owlpuzzles.com1918572463534691728627483159456739812392814675871256394763945281249168537185327946225386917448651723917923458662475839183594162779162384534819576291237645856748291337913856426249715835384261793672498518491532672157683949768324151825947364536179284982451673176923548534678291795386412821547936463219785217864359358792164649135827