Text this: On automorphism groups of some PCS graphs

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