SudokuMedium

Medium Sudoku — Puzzle 23

6413
498
1849
83549
7428
58617
21
61
471

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.

698542137
174693258
325178649
812735496
763429815
549861723
251987364
986314572
437256981