SudokuHard

Hard Sudoku — Puzzle 160

419
573
29
3124
4
68
65918
8436
65

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.

473612589
859734216
216598743
931285467
548376921
627941835
365429178
784153692
192867354