% heyawake 60 by Warai Kamosika, http://www.janko.at/Raetsel/Heyawake/060.a.htm
heyawake
medium
18 10
+-----+---+---+-----+-------+---+-+-+
|1....|3..|2..|2....|3......|1..|0|3|
|.....|...|...|.....|.......|...|.|.|
|.....|...|...|.....|.......|...|.|.|
+-----+...|...|.....+-------+---+.|.|
|4....|...|...|.....|3......|3..|.|.|
|.....|...|...+-+---+.......|...+-+.|
|.....|...|...|.|1..|.......|...|1|.|
|.....+---+---+-+---+-+---+-+...|.|.|
|.....|1..............|1..|1|...|.|.|
+---+-+---+---+---+---+---+.|...|.|.|
|1..|3....|2..|1..|.......|.|...|.|.|
|...|.....|...|...+-------+-+---+.|.|
|...|.....|...|...|3............|.|.|
+---+---+-+---+-+-+-+---+-----+-+.|.|
|.......|0......|...|1..|3....|.|.|.|
+-------+.......|...|...|.....+-+-+-+
|3......|.......|...|...|.....|2..|.|
|.......+---+---+---+---+-----+...+-+
|.......|...|1................|...|.|
+-------+---+-----------------+---+-+
