% heyawake 275 by Toonkigou, http://www.janko.at/Raetsel/Heyawake/275.a.htm
heyawake
easy
10 10
+-----+---+-+---+---+
|2....|4..|.|5..|2..|
|.....|...|.|...|...|
|.....|...|.|...|...|
+-----+...|.|...+---+
|2....|...|.|...|3..|
|.....|...|.|...|...|
|.....|...|.|...|...|
+-----+---+-+...|...|
|3........|.|...|...|
|.........|.|...|...|
|.........|.|...|...|
+---------+.|...+---+
|3........|.|...|...|
|.........|.|...|...|
|.........|.|...|...|
+---+-+---+-+-+-+...|
|2..|.|.......|1|...|
|...|.|.......|.|...|
|...|.|.......|.|...|
+---+-+-------+-+---+
