PlaySudoku.us
Medium · Puzzle #243
7
8
6
1
4
8
7
1
6
4
2
7
5
3
1
6
9
8
9
4
1
5
6
6
8
3
8
5
7
6
5
1
9
3
4
2
"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
"A person who never made a mistake never tried anything new." — Albert Einstein
"A person who never made a mistake never tried anything new." — Albert Einstein