SudokuMedium

Medium Sudoku — Puzzle 80

3847
412
875
7654
56971
15
92
253498
142

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.

253984716
417236985
698751234
971628543
526349871
834175629
345892167
762513498
189467352