% kuromasu 19 by Warai Kamosika, http://www.janko.at/Raetsel/Kuromasu/019.a.htm
kuromasu
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17 17
6.....5.......3..
...c.......7.....
8.6..5.........4.
...e....4........
.......7.......5.
........a..d.8..2
b.c....g....5....
.8......4..4...3.
..7...7...7...4..
.9...6..2......3.
....b....e....9.3
3..7.7..3........
.8.......d.......
........7....7...
.7.........9..5.3
.....5.......4...
..4.......3.....2
