SudokuHard

Hard Sudoku — Puzzle 283

7
5
3462
7496
83
3487
2593
514
812

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.

572914368
689723514
314586729
745892631
826137495
193465287
251648973
937251846
468379152