% heyawake 128 by Halflength Sleeve, http://www.janko.at/Raetsel/Heyawake/128.a.htm
heyawake
medium
24 14
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+---+-+-+---+-+---+-+---+-----+-----+.|...|...|.|
|3....|5....|2|3....|3........|3....|.|...|...|.|
|.....|.....|.|.....|.........|.....|.|...+---+-+
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+-----+-+---+.|.....+---+-----+-+---+-+---+.....|
|4......|1..|.|.....|3..|4......|3....|3..|.....|
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|.......+---+-+-----+---+---+---+-----+...|.....|
|.......|...|5......|3......|...|.....|...|.....|
+-----+-+---+.......|.......|...|.....+---+-----+
|3....|.....|.......|.......|...|.....|5........|
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+-----+---+-+-------+-----+-+---+-----+.........|
|2....|3..|1|2......|4....|3....|2....|.........|
|.....|...|.|.......|.....|.....+-----+-----+---+
|.....|...|.|.......|.....|.....|.....|2....|2..|
|.....|...|.+-------+.....|.....|.....|.....|...|
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+-----+---+-+-------+-----+-----+-----+-----+---+
