o              o   
 \            /     
   \        /
     \    /
 ______\/_______   _____
|  _________    |  | --|
| |  ^  ^   | ()|  |---|
| |  o  o   | ()|  |---|
| |   ||    |   |  |---|
| | -    -  | _ |  |-  |
| | |____|  ||_||  |   |
| |_________|   |  |   |
|_______________|  |___|