PlaySudoku.us
Medium · Puzzle #649
6
8
8
2
5
2
1
5
7
6
4
2
3
9
7
1
9
1
5
3
4
5
7
9
2
7
3
1
6
2
7
4
"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