SudokuHard

Hard Sudoku — Puzzle 4

1459
5938
62
7325
1
34
5
9452
3761

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.

164528397
259374186
837619245
746932851
918756423
523481769
472165938
691843572
385297614