Contribute correction: Introducing the rectangle

 _    _      ___     _    _      ___    
| \  / ||   / _ \\  | |  | ||   / _ \\  
|  \/  ||  / //\ \\ | |/\| ||  / //\ \\ 
| .  . || |  ___  |||  /\  || |  ___  ||
|_|\/|_|| |_||  |_|||_// \_|| |_||  |_||
`-`  `-`  `-`   `-` `-`   `-` `-`   `-`