SudokuMedium

Medium Sudoku — Puzzle 9

721
8624
39857
7892
2631
62189
5
1672
27

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.

472539186
865172493
139468257
781394562
924685371
356721849
618257934
543916728
297843615