SudokuHard

Hard Sudoku — Puzzle 213

2
8246
7
63284
198
79
3916
4791
53

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.

236874159
918325746
475691832
693258471
751943268
824167395
389416527
542789613
167532984