PlaySudoku.us
Hard · Puzzle #845
6
3
5
5
6
9
8
4
1
6
2
4
6
8
1
7
2
9
6
2
9
5
1
8
6
2
3
7
8
"If one advances confidently in the direction of his dreams, he will meet with a success unexpected in common hours." — Henry David Thoreau
"If one advances confidently in the direction of his dreams, he will meet with a success unexpected in common hours." — Henry David Thoreau
"Mathematics is the queen of the sciences." — Carl Friedrich Gauss
"Mathematics is the queen of the sciences." — Carl Friedrich Gauss