% heyawake 280 by Toonkigou, http://www.janko.at/Raetsel/Heyawake/280.a.htm
heyawake
easy
10 10
+-------+-+---+-----+
|3......|2|2..|2....|
|.......|.|...|.....|
|.......|.|...|.....|
+---+---+.+---+-----+
|3..|...|.|4........|
|...|...|.|.........|
|...|...|.|.........|
|...|...|.|.........|
|...|...|.|.........|
+---+---+-+-+-------+
|...|2......|4......|
|...|.......|.......|
|...|.......|.......|
|...+-+-----+.......|
|...|.|2....|.......|
+---+.|.....+-------+
|...|.|.....|.......|
|...|.|.....+-------+
|...|.|.....|.......|
+---+-+-----+-------+
