% heyawake 29 by ?, http://www.janko.at/Raetsel/Heyawake/029.a.htm
heyawake
medium-
10 10
+---+---+-+---+-+---+
|2..|0..|.|...|.|...|
|...|...|.+---+.|...|
|...|...|.|...|.|...|
+---+---+-+---+-+...|
|0..|2..|.......|...|
|...|...+-----+-+...|
|...|...|.....|.|...|
+-+-+---+-----+.|...|
|.|...........|.|...|
|.+-+---+---+-+-+...|
|.|.|...|...|...|...|
|.|.|...|...+---+---+
|.|.|...|...|.......|
+-+.|...|...|.......|
|.|.|...|...|.......|
+-+-+---+...+---+---+
|0..|1..|...|0..|1..|
|...|...|...|...|...|
|...|...|...|...|...|
+---+---+---+---+---+
