SudokuHard

Hard Sudoku — Puzzle 69

489
57
64
936
897
423
7162
8
65941

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.

715483629
264915738
893627145
931768254
528134976
647259813
459871362
182346597
376592481