Describir: One step forward, one step back

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