% slitherlink 384 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/384.a.htm
slitherlink
hard-
20 15
.223232..33222.2..3.
...232...2.2.2.1222.
21.0...3...32...13..
.13...2...1..3..122.
.2.212..2.202..3..3.
.22.22..2....3.1..3.
21.21.....31....22..
211..32....113.32.2.
222.130.13.2..1.22..
.231..2.....3......3
....33...222.22.2.3.
.2...2....1....3..3.
223..1.1..22....2.3.
..3122232.1.22..2.32
3.2.....1.2..31.....
