SudokuHard

Hard Sudoku — Puzzle 290

183
469
6
5946
268
8145
48
932
783

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.

168349572
245817693
739265184
593724861
412658739
876931245
324176958
681593427
957482316