Contribute correction: Backgammon

  _____      ___     _    _    _    _   
 |__  //    / _ \\  | || | || | || | || 
   / //    | / \ || | || | || | || | || 
  / //__   | \_/ || | \\_/ || | \\_/ || 
 /_____||   \___//   \____//   \____//  
 `-----`    `---`     `---`     `---`