SudokuHard

Hard Sudoku — Puzzle 269

651
359847
41
948
2
2643
72
1468
3

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.

786245931
351986472
942317568
697431825
438652719
125798643
573824196
214569387
869173254