SudokuHard

Hard Sudoku — Puzzle 24

49
234
96
1638
4578
9
54362
218
329

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 27 given numbers and exactly one solution, so it can always be finished by reasoning alone.

489315276
236784951
751296483
917632845
645178329
823459617
198543762
564927138
372861594