發送短信 : Geometric realizations of abstract regular polyhedra with automorphism group H3

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