% heyawake 130 by Halflength Sleeve, http://www.janko.at/Raetsel/Heyawake/130.a.htm
heyawake
very hard
36 20
+-------+---+-----+---+-+---+-+-----+---+-+-------+-----+-----+---+-----+
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+-------+...+-----+---+-+---+.+-----+---+.|.......+-----+-----+...+-----+
|3......|...|1..........|2..|.|2........|.|.......|2....|2....|...|2....|
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+-+-----+-+-+-----------+---+.+---------+-+-----+-+-----+-+---+---+-+---+
|.|5......|.|8..............|.|6........|.|3....|.........|4........|2..|
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+-+-------+-+---------------+.+---------+-+-----+-+-------+-+-+-----+-+-+
|5..........................|.|...........|.....|3|9........|2|4......|.|
+---------+-+---+-----+-----+.+-----------+.....|.|.........|.|.......|.|
|a........|.|0..|5....|1....|.|6..........|.....|.|.........|.|.......|.|
|.........|.|...|.....|.....|.|...........+-----+.|.........|.|.......|.|
|.........|.|...|.....|.....|.|...........|2....|.|.........|.|.......|.|
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|.........|.|...|.....|.....|.|...........|.....|.|.........|.|2......|.|
|.........|.+---+-----+-----+-+-----+-+---+.....|.|.........|.|.......|.|
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|.........|.+---+-----+-----+-------+-+...|.....|.+---------+-+-------+-+
|.........|.|...|5....|6....|7........|...|.....|.|.........|5........|0|
+---+---+-+-+...|.....|.....|.........|...+-----+.+---------+.........|.|
|...|1..|...|...|.....|.....|.........|...|3....|.|1........|.........|.|
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+---+...|...|...|.....|.....|.........|...|.....+-+-----+---+---+-----+.|
|2..|...|...|...|.....|.....|.........|...|.....|.......|2..|3..|5....|.|
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|...|2..........|.....|.....|.........|5....|6..........|...|...|.....|.|
+---+---+-----+-+-----+-----+---+-----+.....|...........|...|...|.....|.|
|...|2..|4....|4......|3....|...|0....|.....|...........|...|...|.....|.|
+---+...|.....|.......|.....|...|.....|.....|...........|...|...+-----+-+
|...|...|.....|.......|.....|...|.....|.....|...........|...|...|2......|
|...+---+.....|.......|.....|...+-----+.....+-----------+...+---+.......|
|...|...|.....|.......|.....|...|.....|.....|...........|...|...|.......|
+---+---+-----+-------+-----+---+-----+-----+-----------+---+---+-------+
