% hashiwokakero 315 by Otto Janko, http://www.janko.at/Raetsel/Hashi/315.a.htm
hashiwokakero
medium-
13 13
2.3.2.3.4..1.
...3.2....1.2
.1..1.6.6..1.
2.1......2..3
.3.5..4.2....
1....2.2.5.2.
.............
.3.6.3..1...2
....2..2.6.5.
2..2......1.2
.2..5.4.2..2.
2.1....2.3...
.2..3.2.1.3.3
