@@   @      @@@@@  @@@@@  
@  @             @  @      
@  @  @@@@@     @   @ @@   
 @@   @        @@   @@  @  
@  @  @ @@       @      @  
@  @  @@  @  @   @  @   @  
 @@       @   @@@    @@@   
      @   @                
       @@@   @         @