Contribute correction: Rock'n Roller

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