SudokuMedium

Medium Sudoku — Puzzle 173

59687
23
3249
47
78213
13768
31
15
94652

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.

539642817
842719536
167835249
326984175
798251364
415376928
253497681
671528493
984163752