% hashiwokakero 190 by Otto Janko, http://www.janko.at/Raetsel/Hashi/190.a.htm
hashiwokakero
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17 17
.2..3.3.2..3...2.
1.2..4.4.3..3.2.2
..........1......
.3.2.6.7.3..4..2.
..............1.2
..2..6.6..4....2.
3...2....1..3.3.3
.2...2....2..1.2.
3.3.5..6.5..2.2.3
.2.2..2....1.3.4.
..2.2..1........2
2.....3..6..2.1..
.1..4...1.......2
2.3..1.4.6.4.3.3.
...1.............
1.3.3..3.5.5..2.1
.1....2.3.3.2..2.
