% slitherlink 92 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/092.a.htm
slitherlink
very hard
16 12
322...32...1.12.
...131...1.12.0.
233.2.32.1..2.2.
..1...1.31.12.12
22..2.20..3.01..
.13.22..3...1.13
.01...1.3.3.3..3
....13.21..11.22
1.1.......1....2
12.21.1.1..313..
..3.3..3..1...1.
21....1.33..22.1
