SudokuHard · Sheet 784 · 9×9owlpuzzles.comWrite 1 to 9 so every row, column and 3×3 box holds each number once.136128944251235944873534652828671373942368789865217843346173562174568453538673451527856143216282945218465578967729345
AnswersSudoku · Hard · Sheet 784owlpuzzles.com1936421578287695134154873629745182963862359417319764852478216395521938746693547281236245198749826713515739864252314687974182956398657321467598432123461579881973245634359867211792456832687134959463582177134928565821679343248715696915243788576391424958631427162749835734285916479523168381496752625178349296317584517864293843952671