% hashiwokakero 23 by Otto Janko, http://www.janko.at/Raetsel/Hashi/023.a.htm
hashiwokakero
easy
10 10
3.....4.1.
.1.3.2....
.......1.3
5..6.4....
.2....7..4
..........
3.6...6.1.
....2..2.4
..........
2.6.4.4..4
