.........
                                        ................
                                       .....................
                                      ...........................
                                     .............................vvv
                                     .............................vvvvvv
                                    ..................................vvvv
                                   ......................................vv
                                   ......................................vvv
                                   .......................................vvv
                                ..........................................vvv
                                ...........................................vv
                               ............................................v
                               ............................................
   ...........               .............................................
     ...........           .............................................
        ..........................................vvv................
            .....................................vvvv............
                 ................................vvvv.......
                     ...........................vvvvv...
                           .....................vv