% slitherlink 106 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/106.a.htm
slitherlink
medium
10 10
....2.3.1.
222.1.2.23
..........
.1.0....3.
0...31..1.
..1.3.3...
..11..12.1
.22...21..
...3....13
11..21.22.
