PlaySudoku.us
Hard · Puzzle #240
1
8
4
6
9
1
6
5
4
3
2
8
4
1
5
1
3
6
8
7
3
8
6
3
2
1
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.
"Concentration is the secret of strength in politics, in war, in trade — in short, in all management of human affairs." — Ralph Waldo Emerson
"Concentration is the secret of strength in politics, in war, in trade — in short, in all management of human affairs." — Ralph Waldo Emerson