% heyawake 179 by Halflength Sleeve, http://www.janko.at/Raetsel/Heyawake/179.a.htm
heyawake
medium
24 14
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|.|3....|3....|.|...|.|...|...|4..|.......|2|3..|
|.|.....|.....|.|...|.|...+---+...+-------+.|...|
|.|.....|.....|.|...|.|...|0..|...|3......|.|...|
+-+-----+.....|.+---+-+...|...|...|.......|.|...|
|.|.....|.....|.|2....|...|...|...|.......|.|...|
|.|.....+---+-+-+.....|...|...|...+---+-+-+-+...|
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|...|1..|...|...|.|.....|4....|...|...|.|...|...|
|...|...|...|...|.|.....|.....+---+---+-+...|...|
|...|...|...|...|.|.....|.....|...|3....|...|...|
+---+---+---+---+-+.....|.....|...|.....+---+---+
|2..|3............|.....|.....|...|.....|3......|
|...|.............+---+-+-+---+...|.....|.......|
|...|.............|...|...|1..|...|.....|.......|
+-+-+---+-----+---+...|...|...+-+-+-+---+---+---+
|1|.....|3....|...|...|...|...|.|2..|...|2..|...|
|.|.....|.....|...+---+...|...|.|...|...|...|...|
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|.|.....+-+---+-+-+---+-+-+---+-+---+---+---+...|
|.|.....|.|2..|.|3......|2....|1....|2..|2..|...|
|.|.....|.|...|.|.......|.....|.....|...|...+---+
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+-+-+---+-+---+-+---+---+-+---+-+-+-+-+-+---+---+
|2..|2....|2....|...|...|.|1....|.|2..|1....|2..|
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+---+-----+-----+---+---+-+-----+-+---+-----+---+
