SudokuMedium

Medium Sudoku — Puzzle 109

4523
7516
26394
219
9673
721
1325
674
69

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

458296317
397541628
261378945
625137894
149685732
873429561
784913256
916752483
532864179