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  _  __     ___     __   _      ___              
 | |/ //   / _ \\  | || | ||   / _ \\      ___   
 | ' //   | / \ || | '--' ||  / //\ \\    /   || 
 | . \\   | \_/ || | .--. || |  ___  ||  | [] || 
 |_|\_\\   \___//  |_|| |_|| |_||  |_||   \__ || 
 `-` --`   `---`   `-`  `-`  `-`   `-`     -|_|| 
                                            `-`

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