% heyawake 234 by Mokuani, http://www.janko.at/Raetsel/Heyawake/234.a.htm
heyawake
easy+
10 10
+---+-+-----+-----+-+
|2..|.|1....|3....|.|
|...|.|.....|.....|.|
|...|.|.....|.....|.|
+---+-+-----+-----+-+
|...|2......|.......|
+---+---+---+.......|
|2......|...|.......|
+-------+...+---+---+
|1......|...|...|...|
+---+---+---+...|...|
|...|.......|...|...|
+---+---+---+---+...|
|2......|2......|...|
|.......+---+---+---+
|.......|2..|2......|
+---+---+...+---+---+
|1..|...|...|...|...|
|...|...|...|...|...|
|...|...|...|...|...|
+---+---+---+---+---+
