% heyawake 249 by Mokuani, http://www.janko.at/Raetsel/Heyawake/249.a.htm
heyawake
medium-
10 10
+-+-------+---------+
|2|2......|1........|
|.|.......+-+-------+
|.|.......|1|.......|
|.+-------+.|.......|
|.|4......|.|.......|
|.|.......|.+-------+
|.|.......|.|2......|
|.+-------+.|.......|
|.|.......|.|.......|
+-+-----+-+-+-----+-+
|3......|2|2......|1|
|.......|.+-------+.|
|.......|.|.......|.|
+-------+.|.......|.|
|1......|.|.......|.|
|.......|.+-------+.|
|.......|.|3......|.|
+-------+-+.......|.|
|3........|.......|.|
+---------+-------+-+
