% heyawake 213 by Red Magician, http://www.janko.at/Raetsel/Heyawake/213.a.htm
heyawake
easy
10 10
+-----+---+---------+
|2....|...|3........|
|.....|...+---+-----+
|.....|...|...|.....|
+-----+...|...|.....|
|1....|...|...|.....|
|.....|...+---+-----+
|.....|...|0........|
+---+-+-+-+-+---+---+
|...|4..|...|...|...|
|...|...|...|...|...|
|...|...|...|...|...|
+---+...|...|...+---+
|...|...|...|...|1..|
|...|...|...|...|...|
|...|...|...|...|...|
+---+-+-+---+---+---+
|.....|3....|...|...|
|.....|.....|...|...|
|.....|.....|...|...|
+-----+-----+---+---+
