% kuromasu 230 by Otto Janko, http://www.janko.at/Raetsel/Kuromasu/230.a.htm
kuromasu
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9...........c..h.....4............6.
5...............if.j......j.........
......78..6..4...........c..........
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.........8......8.d2...............5
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47..a..............8.......8.a..6...
..a3....3.................j.........
.7......b.a....7b..................d
....5....7..8....7............eh...8
..a........5....6....lf..........8..
....7..46.........f.....88..........
4...4.3..3...d...8..7.a....6...5..b.
