┌──┐  
                                                                     └───┘··│  
                                                                    ┐·······│  
                                                                    └┐······└┐ 
                                                                     └──┐····└┐
                                                                        └┐<···│
                                                                        ┌┘···┌┘
                                                                        │·@··└┐
                                                                      ┌─┘·····│
                                                                      │···┌┐·┌┘
                                                                      ┘·┌─┘ ─┘ 
                                                                     ···│      
                                                                   ·····┘      
                                                                 ······│       
                                                               ·······         
                                                             ·········         
                                                             ┐·······          
                                                             │·······          
                                                             └────┐·┌          
                                                                  └─