PlaySudoku.us
Easy · Puzzle #17
3
7
8
4
1
2
9
5
1
8
2
8
7
9
4
6
9
4
6
5
7
2
1
3
6
9
7
8
4
2
2
6
3
5
8
6
8
5
8
5
1
2
7
The puzzle was originally called "Number Place" in the US. The name "Sudoku" was given by Japanese publisher Nikoli.
The puzzle was originally called "Number Place" in the US. The name "Sudoku" was given by Japanese publisher Nikoli.
Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.
Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.