SudokuHard

Hard Sudoku — Puzzle 103

92
458
2965
68
142
14
3674
8136
51

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.

536891247
294567138
781243965
462789513
953614872
178325496
329156784
817432659
645978321