SudokuHard

Hard Sudoku — Puzzle 202

84
691
31
795
8431
2874
28
43
7362

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.

681352479
745869123
932471685
167924358
894537216
253186794
329618547
476295831
518743962