SudokuHard

Hard Sudoku — Puzzle 35

78
495
86
653
927
52
69385
2976
34

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.

637819524
419652378
582374961
928167453
346925187
175438692
761293845
294581736
853746219