SudokuHard

Hard Sudoku — Puzzle 71

968
269
51
416
237
48
4176
61984
3

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.

964518372
321679485
578234619
845927163
192863547
637451298
419385726
756192834
283746951