PlaySudoku.us
Hard · Puzzle #450
4
7
1
2
8
7
6
1
4
8
3
2
1
2
8
7
3
9
9
6
5
5
9
7
3
4
7
2
"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
"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