發送短信 : Topological Mixing of Random Substitutions

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