% hashiwokakero 254 by Otto Janko, http://www.janko.at/Raetsel/Hashi/254.a.htm
hashiwokakero
medium-
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.2.2.2..2.2..3..3
....1..2.2..3..2.
1..2..3.2..2....2
.1.....2.3..3.3..
....1.2....1...1.
2..4.3.6.7..6.5.2
....1......1.2.1.
.1.4...4.4..2....
2.1..2.....2..1.2
....2..5.5...3.1.
.1.3.1......1....
2.3.6..5.4.4.5..2
.1...2..1...1....
1.3.6.1..3...4..2
.....2.2...1...1.
.2..4.1..2..2...1
2..2.3.4...2.3.2.
