% slitherlink 197 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/197.a.htm
slitherlink
unknown
40 30
.2...31..2...2.3..23...1....2231.3233.3.
3.2.2.3.33..2.....1.12...2323..2.2.2..1.
.11.......13.......3.3...222.12.22.....3
3..2.23.......22.....3.21....3..123..223
..212....3...23.2.12........1...2.1....2
3..2..3.1..03..1.....22...2..2123.3.....
..312..322.2..32.22.31...2312..1..1..3..
.2..221.12.22....122.2.21.2........3.313
.33.1....2....33..3.231..321..2.121....2
11.2.2.1....23.....3.2.23....02....122..
.3..12.32.121..3.3.......02.22311.3.3.1.
3.........3.2..1.2...2...3..2..3.21.23.3
.22123.221.112232.113.201..21.2.1..2..0.
.2.2..03....2.21..2........2.2..2.213..3
3...23....2323..3......212202.222...2...
..3.2.2.12..1122..12313.23...31.2.13..2.
.........2.....123.2....1..1..232.320..3
222....3..3.20...21.2..3..1.3.212..2..2.
12..21.011..32..2...2.1221.2....22.3121.
.3..123.....23.23.233.3..3...3....1.....
..1.22.13.3..........1.......22...2.12.3
.2.32.3..3.212.22..1.2.2.3.2.2...2....1.
.2..3...0..3....1....223.1..2123.23.....
3.3.31......3..........3.2...212..02112.
.....1..31.2.02..22..212..3.0.....1313..
3..2....31..32...21.2....0.3.211.3......
..212.2312.32212..323....3...233..1.....
3.2..2..2.....3...213...1...1..2.31.222.
..21.1.1..12....322.2.3223..23..3....22.
3.23.223.3..2..321..13.2...21........132
