PlaySudoku.us
Easy · Puzzle #41
2
1
6
3
8
9
2
5
4
7
6
3
9
7
5
4
2
1
8
3
3
7
6
2
5
8
6
4
3
2
1
9
7
8
5
6
3
9
1
5
9
1
7
There are Sudoku variants with extra constraints: Killer Sudoku (cage sums), Diagonal Sudoku, and even 3D Sudoku.
There are Sudoku variants with extra constraints: Killer Sudoku (cage sums), Diagonal Sudoku, and even 3D Sudoku.
"Absence of evidence is not evidence of absence." — Carl Sagan
"Absence of evidence is not evidence of absence." — Carl Sagan