Contribute correction: Pair Logic

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