SudokuHard

Hard Sudoku — Puzzle 46

34
986
76
9815
68547
21
36
258
146

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.

869573124
534192786
271648539
927364815
316859247
458721963
782435691
693217458
145986372