SudokuMedium

Medium Sudoku — Puzzle 227

28
4651
56
825
217
753896
613
4672189
83

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.

654317928
279486513
813295764
438769251
596821347
721543896
967158432
345672189
182934675