% hashiwokakero 264 by Otto Janko, http://www.janko.at/Raetsel/Hashi/264.a.htm
hashiwokakero
medium-
13 13
2..2..2.5.5.1
.2..2..1.....
...3.6..6.6.2
2..........1.
.3.3.5..6.5.2
2.1.2......2.
.3.1.2.2.....
........3.2.2
1.4.6..6.3.3.
.1..........3
4.7.5..3...2.
.....1...2..2
3.2.2.3.3..2.
