發送短信 : The order of generalized hypersubstitutions of type τ = (2)

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