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

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發送短信 : Making patterns on graphene