SudokuHard

Hard Sudoku — Puzzle 157

86
327
15
624
73
2481
9
15374
3761

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.

158476932
342958761
769312485
981563247
624187593
573249816
495731628
216895374
837624159