% hashiwokakero 338 by Otto Janko, http://www.janko.at/Raetsel/Hashi/338.a.htm
hashiwokakero
very hard
24 18
3.3..2...4.4.3.2..3..2..
.2.2...4......4.4..4...2
3........2.2.2.2..3..1..
..3.3.2............3....
.5...4.4.4.3..4...2....3
3..1............4..6.2..
.2....3..3...3.1..2.2..4
3..2...3...3..2.2..3..1.
.1...3.......2.3..6..3.2
2..4...3.2.3..5..2.2....
.....2..1............6.3
.2.4...2.3.3.3.2..3.....
1.2..3........2.5..4.4.5
......2.2.3..2...1......
2..2.2.3.2.1...2...2.4.5
..........2.2.1.2.......
.2.4..2..4.3.2.4.4..1..1
3.4.4...3.2.3.4.3..2.2..
