% hashiwokakero 176 by Otto Janko, http://www.janko.at/Raetsel/Hashi/176.a.htm
hashiwokakero
medium-
13 13
3.2.2..2..1..
.2.3..3..3..2
3.1..........
....4.6..5.1.
2..3....1.2.4
.1...3.1.3.2.
1...2.......2
.2.3.6..4..2.
3.1.1....2..2
.1.4.4..2..3.
............2
2..3..2..3.3.
..1..2.2..3.3
