% hashiwokakero 381 by Otto Janko, http://www.janko.at/Raetsel/Hashi/381.a.htm
hashiwokakero
medium-
10 10
..2.4.3.2.
3..2.2.3.2
..1.4.2.1.
3..3.1.2.3
..........
4.2.2..2.2
.2.3......
2.3.3..2.3
.1........
3.3.3.3..2
