% heyawake 270 by Toonkigou, http://www.janko.at/Raetsel/Heyawake/270.a.htm
heyawake
easy
10 10
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|.....+---+-+---+---+
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+-----+...|.....|...|
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+-----+---+-+---+-+-+
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+-----+-----+-----+-+
