_                            
                            _     ╲  \      / >_  / ╱   /\                
                           │╲       __╱\ └﹁ \       /╱   _            
                          _│|>\      \_/|/  _╱╱      ╱   ╱ ╲          
                          \_  ╱    ▕╲_|\╱</ \_   - _   ∠╱││        
                ____        ∟＞ _ - │|\╱\_╱| /     \╲ ∠ /││        
        ____  ∠___ \   ____ __╱ \  │|     ╱ │    ▕_/\>|_>││        
      ╱ __ \      \│  \_╱ ︺╱  │|   ▕ </ _\            ╲/          
     \_╱  \│╱_\ //             ˊ ╲|     ╲ │  ˋ                      
         |\// \\/<//                           |│         _╱\   /        
         \_/   〉_/                ╱          \│  ╲   〔_ ╱ __  ╱      
              //__              __    /       __  \       _│|╱_ \        
             /╱__╲        ︹╱_ \      ___╱_ \     _   ╲  /╱╱        
            <╱︹_//   __╱ \_| /╱      ╲_/  |│   │\ ︹│ _╱   ˊ      
               \_╱    ╲/   _ ╱      |\ <  > |│ ˋ \/_>[│| <|_          
                             \_╲      |│/∠  |│      ╲/ \| |╱          
                              _|/_     |│\_ ╲|│ -    _|\    ╱╲  -      
  这两个字念“雷锋”        ▕ _ _＞   \/   /╱|│     \_  〕∠/ |│        
  这是雷锋纪念日。            \__〕        ╱ ╲/        |│|╲/>|│        
  他在中国非常有名                                     /|| >| |>\|│        
                                                  ╱ ▕╱╲︳╲_╲_︳╲    
  ◤                                                  /           \        
                                                       参考kieslowski作品*m