SudokuMedium

Medium Sudoku — Puzzle 270

874129
64
9578
749
4
79
75189
5643
38761

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.

837416259
625987143
941325786
283674915
419253678
576198324
764531892
152869437
398742561