% kuromasu 224 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/224.a.htm
kuromasu
medium-
12 12
..........6.
..b...d.....
.2..4..c....
.a..........
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..g...d.i..k
9..e.c...9..
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..........b.
....6..g..a.
.....3...3..
.8..........
