PlaySudoku.us
Easy · Puzzle #101
2
9
7
3
1
8
6
1
2
9
3
2
8
5
6
3
1
4
7
6
2
9
2
7
6
1
5
4
3
5
3
7
1
5
3
4
8
2
9
7
2
5
8
1
6
8
1
2
9
5
7
Check columns before rows — columns are often harder to complete and contain more useful constraints.
Check columns before rows — columns are often harder to complete and contain more useful constraints.
"Extraordinary claims require extraordinary evidence." — Carl Sagan
"Extraordinary claims require extraordinary evidence." — Carl Sagan