% hashiwokakero 16 by N.N., http://www.janko.at/Raetsel/Hashi/016.a.htm
hashiwokakero
easy+
9 9
.2...1..2
2..2..3..
.........
.3.4.....
4.3.2.5.3
.....3.2.
.........
..2..2..2
2..4...1.
