SudokuHard

Hard Sudoku — Puzzle 161

6498
764
31
128
25413
9
162
954
68

How to play

Fill every row, every column and every 3 by 3 box with the numbers 1 to 9, using each number once.

This puzzle has 26 given numbers and exactly one solution, so it can always be finished by reasoning alone.

762453981
819276345
534189276
491362857
275948613
683715429
148697532
927534168
356821794