% slitherlink 213 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/213.a.htm
slitherlink
hard
24 14
.102...213....111...223.
3...232...2110...322...3
..3.....3......2.....2..
.221.3.122.30.202.3.222.
..1.....3......2.....0..
2...112...2112...113...3
.2.0...3.1....2.1...2.1.
.2.2...0.1....2.3...0.0.
2...101...2031...132...3
..2.....1......3.....2..
.223.2.113.32.313.0.323.
..2.....0......1.....0..
2...321...2010...322...1
.222...221....222...012.
