PlaySudoku.us
Medium · Puzzle #685
6
9
1
8
2
4
5
1
2
4
5
7
1
5
4
6
9
7
3
8
2
9
5
7
3
1
6
8
1
7
5
7
9
3
3
4
After finishing any puzzle, go back and find every naked pair and hidden single you used. Catalog your techniques.
After finishing any puzzle, go back and find every naked pair and hidden single you used. Catalog your techniques.
"Not until we are lost, in other words not until we have lost the world, do we begin to find ourselves." — Henry David Thoreau
"Not until we are lost, in other words not until we have lost the world, do we begin to find ourselves." — Henry David Thoreau