SudokuHard

Hard Sudoku — Puzzle 14

83
74915
269
79
92
84
37516
61728

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.

489175362
673492185
125638479
847563291
951824637
362917854
234789516
596341728
718256943