Contribute correction: Square Battle

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