• 19

## Learning Opportunities

This puzzle can be solved using the following concepts. Practice using these concepts and improve your skills.

## Goal

Recognize the shape made up of # and give the coordinates of the corners

The possible shapes are:
* POINT
* LINE
* EMPTY TRIANGLE
* FILLED TRIANGLE
* EMPTY SQUARE
* FILLED SQUARE
* EMPTY RECTANGLE
* FILLED RECTANGLE

Coordinates:
* (0,0) is top left
* (19,0) is top right
* (0,19) is bottom left
* (19,19) is bottom right
Input
20 lines of 39 characters ( . or # separated by spaces)
Output
One line: Shape and coordinates (x,y) of the corners, ordered in ascending order of x then y. (separated by spaces)
Constraints
Only one shape per test

(no ambiguous cases of very small triangles, squares and rectangles)
Example
Input
```. . . . . . . . . . . . . . . . . . . .
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. . . . . . # . . . . . . . . . . . . .
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Output
`POINT (6,7)`

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