% heyawake 41 by Noriyuki Shimazaki, http://www.janko.at/Raetsel/Heyawake/041.a.htm
heyawake
medium-
18 10
+---+-+---+-+-----+-+-----+-----+---+
|...|.|...|.|.....|.|.....|2....|...|
|...|.|...|.|.....|.+---+-+-----+-+-+
|2..|.|...|1|.....|.|...|2........|.|
+---+-+-+-+-+.....|.|...+---+-----+.|
|...|...|...|4....|.|2..|...|.....|.|
|...|...|...+-----+.+---+...|.....+-+
|...|...|...|.....|.|...|1..|.....|.|
+---+...|...+-----+.|...+---+-+-+-+.|
|...|3..|...|.....|.|...|.....|.|.|.|
|...+---+...|.....+-+---+.....|.|.|.|
|2..|...|...|.....|.....|3....|.|.|.|
+---+...+---+---+-+.....+---+-+.|.|.|
|...|...|.......|.|.....|...|.|.|.|.|
|...|...|.......|.|.....|...|.|.|.|.|
|1..|...|.......|.|.....|...|.|2|.|.|
+-+-+-+-+---+---+.+-----+---+.+-+-+-+
|.|...|.|...|...|.|.....|...|.|.....|
|.|...|.|...|...|.|.....|...|.|.....|
|.|...|0|...|2..|2|.....|...|1|2....|
+-+---+-+---+---+-+-----+---+-+-----+
