SudokuHard

Hard Sudoku — Puzzle 74

61
7
3485
5
75926
967
61329
2641
8

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.

498257361
572361984
136489752
364725198
785913246
219846537
657138429
923674815
841592673