Sudoku #169

Complexity: Easy

 Fun Fact About Sudoku
There are 6,670,903,752,021,072,936,960 possible combinations for completing a 9-by-9 Sudoku grid, but only 5,472,730,538 of them really count for different solutions. Needlessly to say, you need a handful of lifetimes to solve all of them.

Enter numbers into the empty cells so that each row, column and 3x3 box contains the numbers 1 to 9.

6 8 9
9 2 3 6
8 9 1 4 5 6
1 9 6 4 2 8 5
4 2 6 8 9
7 3 9 1 6 2 4
9 1 4 8 3 6
1 4 2 3
5 9 4