% slitherlink 750 by Mokuani, http://www.janko.at/Raetsel/Slitherlink/750.a.htm
slitherlink
hard-
25 15
..010...233...313..31023.
.3...3.3...3.1...1.3...1.
.....2.1...3.3...2.3...3.
...132.3...3.1...2.3...1.
..3....1...2.0...1.3...3.
.1.....0...1.3...2.....1.
.23031..112...103......3.
.........................
.3......231...301..31313.
.0.....0...3.2...1.3.....
.2...3.1...2.1...1..3....
.0...3.1...2.0...2...102.
.2...1.3...0.2...1.....3.
.0...0.3...1.2...1.2...3.
.32023..133...211...213..
