% heyawake 80 by Halflength Sleeve, http://www.janko.at/Raetsel/Heyawake/080.a.htm
heyawake
medium-
10 10
+---+---+-----------+
|...|...|2..........|
+---+...+---+---+---+
|...|...|2..|...|2..|
|...|...|...|...|...|
|...|...|...|...|...|
+---+---+...|...|...|
|1..|1..|...|...|...|
|...+---+---+...+---+
|...|2......|...|3..|
|...+-------+---+...|
|...|3..........|...|
+---+-----------+...|
|3..|5..........|...|
|...|...........|...|
|...|...........|...|
|...|...........|...|
|...|...........|...|
|...+-----+-----+---+
|...|2....|1........|
+---+-----+---------+
