% heyawake 55 by Warai Kamosika, http://www.janko.at/Raetsel/Heyawake/055.a.htm
heyawake
easy+
10 10
+-----+---+---+-----+
|4....|...|3..|0....|
|.....|...|...|.....|
|.....|...|...|.....|
|.....|...|...+---+-+
|.....|...|...|3..|.|
+-----+...|...|...|.|
|.....|...|...|...|.|
|.....+---+---+...|.|
|.....|...|2..|...|.|
+---+-+---+...|...|.|
|3..|4....|...|...|.|
|...|.....+---+---+-+
|...|.....|.......|.|
|...|.....|.......|.|
|...|.....|.......|.|
|...+---+-+-------+.|
|...|...|3........|.|
+-+-+-+-+-------+-+-+
|.|...|.........|...|
+-+---+---------+---+
