SudokuHard

Hard Sudoku — Puzzle 120

2596
8523
135
75
3247
61
475
973
6

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.

243591678
865274319
719683254
176349825
932815467
584762931
427138596
658927143
391456782