.
                              potato
                         potatopotato
                        potato   potato
                          potatopotato
                   ­       potatopotato
                          potatopotato
      ­                    potatopotato
                          potato­potato
                          potatopotato
                   ­       potatopotato
                          potatopotato
      ­                    potatopotato
                          potato­potato
                          potatopotato
               potatopotato  potatopotato
              potatopotato    potatopo­tato
                    potato              potato