% slitherlink 400 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/400.a.htm
slitherlink
unknown
40 30
3..2..33.32.202.1....2......323...1.12.3
.3.23220.......12..22....21..2..22..2..2
.1..1....2.3.222.2.1023...212.2.31321.22
32....2...1..2...0.2...2.30..31...21.3..
...3..111.2......3...2...3.30.1...2...2.
..2...32321.22..21.2.2.2....3.1..22..3..
3.2...3..1...........3.......222....1..2
.1112...3..3.3..32223....31......2..33.2
.33.....2..1.3.2....22321.13..........3.
...2.3112..22.2..2....3.3...22.223032.2.
.3.32.2.2.21.....2.3..21..2...322.....23
1...323....2221.33...3..1...1.....0...2.
2..3.2...1.....21.32..13.3..2.1..3..2..3
..22..22.1..222.......3.2..3..2.....021.
3....222312..13....3....3...333...3.2...
...1....2..2.1..213.0.2........0.1..3.32
...2.1.1..2.3.2..0..3.11.31..3.1..32...1
1.1..2.2..2..2.3.2....3.......3..2...322
.21..22.2..23.2..2.2.2...2.2..2.222..2..
1..2.2222......2..3.3.3.22.1.21.23212..3
.3.22.21.22.21.31..2..132..2.1..2...1...
....32..2..3...32...32.2.2.13.3....2.2.3
..2.2122..0...23.2....223.32...2..322.21
..1.3.3.23331..3.3.32...2.223.21..2.32..
33.3..........3...3....3.1...3.3.1...20.
...3..21223..2.11111.2...32..2.....2..3.
3.22..3...........222....11.2...223...2.
1.2..2.12..03.22..1..13.3..2..13.2.2...3
..3.32.3..12...3132......12.......2....3
3.3.32.1.3....0...3..232.3...1.32002.21.
