% heyawake 1 by ?, http://www.janko.at/Raetsel/Heyawake/001.a.htm
heyawake
easy+
10 10
+-----+---+---+-+---+
|..1..|...|...|1|...|
|.....|...|...|.|...|
|.....|...|...|.|...|
+---+-+---+---+-+---+
|3..|.....|5....|...|
|...|.....|.....|...|
|...|.....|.....|...|
|...|.....|.....+---+
|...|.....|.....|...|
+---+-----+-----+---+
|...|.....|0....|...|
+---+.....|.....|...|
|...|.....|.....|...|
|...|.....|.....|...|
|...|.....|.....|...|
+---+-+---+---+-+---+
|2..|.|2..|...|.....|
|...|.|...|...|.....|
|...|.|...|...|.....|
+---+-+---+---+-----+
