SudokuHard

Hard Sudoku — Puzzle 153

6914
3
359
1845
63
9168
87
5687
17

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.

369712548
457689312
218354796
731896425
682435971
594127683
873541269
945268137
126973854