4
8
5
9
1
7
5
3
8
8
3
2
1
1
5
9
2
8
7
1
4
1
6
5
3
7
5
6
6
3
9
Complete a Medium puzzle using only box-based logic — no row or column scanning allowed.
Complete a Medium puzzle using only box-based logic — no row or column scanning allowed.
"Study hard what interests you the most in the most undisciplined, irreverent and original manner possible." — Richard Feynman
"Study hard what interests you the most in the most undisciplined, irreverent and original manner possible." — Richard Feynman