% heyawake 31 by Abe Hajime, http://www.janko.at/Raetsel/Heyawake/031.a.htm
heyawake
easy+
6 6
+-+-+-+-----+
|.|.|.|.....|
+-+-+-+.....|
|.|.|.|.....|
+-+-+-+-+-+-+
|.|.|.|.|.|.|
+-+-+-+.|.|.|
|.....|.|.|.|
+-----+.+-+-+
|.....|.|...|
+-----+-+---+
|...........|
+-----------+
