% heyawake 144 by Halflength Sleeve, http://www.janko.at/Raetsel/Heyawake/144.a.htm
heyawake
medium-
18 10
+---+-----+---------+-----+---+---+-+
|2..|.....|3........|5....|0..|...|2|
|...|.....|.........|.....|...|...|.|
|...|.....|.........|.....|...|...|.|
+---+-----+-+-+-----+.....|...|...|.|
|...|.......|3|5....|.....|...|...|.|
+---+.......|.|.....|.....+---+---+-+
|...|.......|.|.....|.....|...|4....|
|...+-------+.|.....|.....|...|.....|
|...|3......|.|.....|.....|...|.....|
|...|.......|.+-----+-----+...|.....|
|...|.......|.|.....|1....|...|.....|
+---+-+-----+.|.....|.....+---+-----+
|2..|.|.....|.|.....|.....|...|.....|
|...|.|.....|.+-----+.....|...|.....|
|...|.|.....|.|.....|.....|...|.....|
+-+-+-+-----+.|.....+-----+---+-----+
|.|2..|.....|.|.....|3....|...|.....|
|.|...|.....|.|.....|.....|...|.....|
|.|...|.....|.|.....|.....|...|.....|
+-+---+-----+-+-----+-----+---+-----+
