SudokuHard

Hard Sudoku — Puzzle 205

5
59637
325
721
1594
8
346
96
4798

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.

782435961
459681372
136927845
975264138
361598724
248173659
593846217
817352496
624719583