SudokuHard

Hard Sudoku — Puzzle 5

74
2763
9658
471
897
9823
5142
9
6

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.

378416529
512987463
496352781
647593218
123864957
985271634
751648392
264139875
839725146