% hashiwokakero 220 by Otto Janko, http://www.janko.at/Raetsel/Hashi/220.a.htm
hashiwokakero
medium
17 17
2..2.2..1..3..2.1
..2.2.3...1..4.3.
2..2.2.3.5.4.....
....1.2.2.......2
2.3..1...3.5.5.4.
...2...2........3
..1.2.3.6..7.6.5.
2..4.4.2........3
.1....2.6.1....1.
2....2.1.1.4.4..2
.4.4..2.4.3.2....
2..........1.2..1
.6.6.5.3..2......
............1....
2.......1..2.5..4
.3.3.5.5..3.1....
2.2.2.2..2.2.2..1
