Text this: On automorphism groups of some PCS graphs

  ____       ___     _    _      ___      _  _   
 |  _ \\    / _ \\  | \  / ||   / _ \\   | \| || 
 | |_| ||  / //\ \\ |  \/  ||  | / \ ||  |  ' || 
 | .  //  |  ___  ||| .  . ||  | \_/ ||  | .  || 
 |_|\_\\  |_||  |_|||_|\/|_||   \___//   |_|\_|| 
 `-` --`  `-`   `-` `-`  `-`    `---`    `-` -`