Contribute correction: Graph Master

             ___      ______    _____   
    ___     / _ \\   /_   _//  |  ___|| 
   /   ||  | / \ ||  `-| |,-   | ||__   
  | [] ||  | \_/ ||    | ||    | ||__   
   \__ ||   \___//     |_||    |_____|| 
    -|_||   `---`      `-`'    `-----`  
     `-`