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