SudokuHard

Hard Sudoku — Puzzle 33

392
136
7258
16245
473
1
2517
369

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.

839746512
512893476
764251938
981637245
625418793
473925861
256174389
348569127
197382654