PlaySudoku.us
Hard · Puzzle #844
8
1
3
4
7
1
3
9
6
3
1
5
9
8
4
6
3
7
5
2
3
6
4
6
2
2
9
8
"The unexamined life is not worth living." — Socrates
"The unexamined life is not worth living." — Socrates
"One cannot escape the feeling that these mathematical formulas have an independent existence and an intelligence of their own." — Heinrich Hertz
"One cannot escape the feeling that these mathematical formulas have an independent existence and an intelligence of their own." — Heinrich Hertz