% heyawake 243 by Mokuani, http://www.janko.at/Raetsel/Heyawake/243.a.htm
heyawake
medium-
10 10
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|2|...|.....|2|.....|
|.|...|.....|.+---+-+
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|.|...+-----+.|...|.|
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|.+---+-----+.|...|.|
|.|2........|.|...|.|
|.+---+-+---+-+---+.|
|.|...|2|2....|...|.|
+-+---+.+-----+...|.|
|.....|.|.....|...|.|
|.....|.|.....|...+-+
|.....|.|.....|...|2|
+-----+.+-----+---+.|
|2....|.|2........|.|
+-----+.+---------+.|
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+-----+-+---------+-+
