% hashiwokakero 10 by N.N., http://www.janko.at/Raetsel/Hashi/010.a.htm
hashiwokakero
easy+
9 9
1..4.3.2.
......2.2
.....2.1.
3..4..3.4
.........
3.2..4..3
.1.2.....
3.2......
.1.3.3..2
