idea

         ...........................               ....................          .......................

...               ......................                .......................         ........................

.....                ...............                 ..........................         ..........................

.......                ..........                .............................          ...............................

.........                ......              .................................         ...................................

............                .             ....................................         ...........           ............

................                    ........................................          .......          .........................

.................               .....           ........             ........           ...         .....................................

..................             ......          .........            .........          .         .............................................

..................            .......          .........           .........          .            .........................

..................            .......          .........           .........          ...             ...................

.................            ........          .........          ..........          ......            ..................

..................           ........          ........          ...........          .........            .........

..................           .....................................................................................