|                
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                                                      /|\               
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             |                                         |                
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            /|\                                                         
             |                       |                                  
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                                    /|\                                 
                                     |                                  
                                                                        
                                                                        
                                                                        
                                                                        
                                                                        
                                                                        
                                                                        
                                                                        
                                                      |                  
                                                      |                  
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                                                  ----+----              
                                                     /|\                 
                                                      |                  
                                                      |                  
                   |                                                    
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                  -+-                                                    
                  /|\                                                    
                   |