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Rectangles

Count the rectangles in an ASCII diagram like the one below.

   +--+
  ++  |
+-++--+
|  |  |
+--+--+

The above diagram contains 6 rectangles:



+-----+
|     |
+-----+

   +--+
   |  |
   |  |
   |  |
   +--+

   +--+
   |  |
   +--+

       
       
   +--+
   |  |
   +--+

       
       
+--+
|  |
+--+

       
  ++   
  ++

You may assume that the input is always a proper rectangle (i.e. the length of every line equals the length of the first line).

Running the tests

You can run all the tests for an exercise by entering

$ gradle test

in your terminal.

It's possible to submit an incomplete solution so you can see how others have completed the exercise.