SudokuHard

Hard Sudoku — Puzzle 113

59
9623
74
1
283
813
295
4681
61472

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 27 given numbers and exactly one solution, so it can always be finished by reasoning alone.

458631297
916742385
732985146
374156829
281379654
695824713
123497568
547268931
869513472