% heyawake 75 by The Zotmeister, http://www.janko.at/Raetsel/Heyawake/075.a.htm
heyawake
medium-
12 12
+---+-+-----+-+-----+-+-+
|...|.|3....|.|4....|.|0|
|...|.|.....|.|.....|.|.|
|...|.|.....|.|.....|.|.|
+---+.+-----+.|.....|.|.|
|...|.|.....|.|.....|.|.|
|...|.+---+-+-+-+---+-+-+
|...|.|1..|.....|2..|2..|
|...|.|...+---+-+...|...|
|...|.|...|2..|.|...|...|
+---+-+---+...|.|...|...|
|4........|...|.|...|...|
|.........+---+-+-+-+---+
|.........|.....|.|2....|
+-------+-+.....|.|.....|
|.......|.|.....|.|.....|
+-------+-+-+---+-+-----+
|.......|4..|...........|
|.......|...+---+-+---+-+
|.......|...|2..|.|1..|.|
+-------+...|...|.+---+.|
|1......|...|...|.|...|.|
|.......|...|...|.|...|.|
|.......|...|...|.|...|.|
+-------+---+---+-+---+-+
