SudokuMedium

Medium Sudoku — Puzzle 154

637
17
56
83941
475698
5173
693
5162
174

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.

456183927
173294586
298576314
782639451
341725698
965418273
629847135
834951762
517362849