% hashiwokakero 56 by Otto Janko, http://www.janko.at/Raetsel/Hashi/056.a.htm
hashiwokakero
medium-
15 15
.1..2.....5..4.
4.5..2..2......
.......2.....2.
..4...1.1.....1
2...1..4..7.2..
...........3..4
3.5....5.3..2..
...........1...
2..1...2.1.....
...............
2.3.......5.4.3
...............
.3.2..2..1..2.1
1..............
.3........4.5.1
