% hashiwokakero 31 by Otto Janko, http://www.janko.at/Raetsel/Hashi/031.a.htm
hashiwokakero
easy+
15 15
3..5.3..4.....3
.2.............
...6..3........
........1......
.5.5..5..4...2.
...............
.6............4
..2.3....3.1.2.
2..............
.6.......7...2.
......3.4.3.4..
.4...1.........
........2.1...2
..2...5..5..3..
.3.3.1.2......3
