% heyawake, nikoli sample problem 3 by Casty
heyawake
easy
10 10
+---+---+-------+---+
|2..|2..|.......|...|
|...|...+-------+...|
|...|...|3......|...|
|...|...|.......|...|
|...|...|.......|...|
+---+---+-+-----+---+
|1..|5....|.....|3..|
|...|.....|.....|...|
|...|.....|.....|...|
|...|.....|.....|...|
|...|.....|.....|...|
+---+-----+-----+---+
|2..|.....|2....|2..|
|...+---+-+-+---+...|
|...|2..|2..|...|...|
+---+...|...|...|...|
|1..|...|...|...|...|
|...|...|...|...+---+
|...|...|...|...|...|
+---+---+---+---+---+
