SudokuHard

Hard Sudoku — Puzzle 162

37
6
457612
218
8693
78
756
1325
2

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 26 given numbers and exactly one solution, so it can always be finished by reasoning alone.

162354879
738912564
945768123
359241786
816597342
274836951
497125638
681473295
523689417