SudokuMedium

Medium Sudoku — Puzzle 105

87659
92
436
67
451
263
184763
4398
6271

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.

812746359
579123864
436958127
951684732
784239516
263517948
128475693
647391285
395862471