首先,这图相信很多人认识  

        ..------..            
  /~~-.-~__-'`-__  ~-.  .-~-.      
 |   /~~~\     / ~~---\|     |      
 |  ||| * |   | | |  * |     |      
 /_-|\ \ /     \ \ \__.|\.  |      
 ~   \~~   |_|   ~~~~ /   ~-.\      
      ~-.._      _.-~~         
        .--~~~~~~--.      
       |  |______|  |      
        ~-|______|-~      
          |      |       
          |______|      
          |  |   |      
          |__|___|      
          |_|| _||      
          `--'`--'