% heyawake 172 by Mokuani, http://www.janko.at/Raetsel/Heyawake/172.a.htm
heyawake
medium-
10 10
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|1..|1..|0|.....|2..|
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+---+...+-+---+-+---+
|1..|...|.....|1....|
|...+-+-+-----+.....|
|...|1|.......|.....|
|...|.|.......+-+---+
|...|.|.......|0|...|
+---+.|.......|.+---+
|0..|.|.......|.|...|
+---+-+.......|.|...|
|.....|.......|.|...|
|.....+-----+-+-+...|
|.....|2....|1..|...|
+---+-+---+-+...+---+
|...|2....|.|...|2..|
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+---+-----+-+---+---+
