SudokuMedium

Medium Sudoku — Puzzle 192

5168
81743
35861
97
43
21387
478
517
819

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.

521364987
869217543
473958621
397581462
685472319
214693875
146739258
958126734
732845196