SudokuHard · Sheet 866 · 9×9owlpuzzles.comWrite 1 to 9 so every row, column and 3×3 box holds each number once.1315793926758434926284584775927621954381926368931347625917879345157493795238562926848544968195379259761927533694923
AnswersSudoku · Hard · Sheet 866owlpuzzles.com1643185792285679134917423586796512843534798261128364975862941357371856429459237618212796458364378592198523174635264981749617823587152369473981645256439217821845736933462857915974318622186793457695231848251649371347985266829574139513426784738162594743159268189642375256387914628415793934726581571938426867593142312874659495261837