% slitherlink 144 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/144.a.htm
slitherlink
medium-
18 10
.12..11....11..12.
1..10..3031..30..3
3................3
..2321......3221..
.3....3.32.0....0.
.1....1.01.1....1.
..0313......3311..
1................2
3..31..1302..21..1
.13..13....33..13.
