SudokuHard

Hard Sudoku — Puzzle 111

4587
621
93
652
4
8629
2651
2
7438

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.

415862397
362197485
798345126
647953812
923718654
851624739
236489571
189576243
574231968