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

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發送短信 : Rotating black rings on Taub-NUT