D1212121221323132313232332313232233132313233313331313231333112331   >>    D121212122132313231323233231323223313231323331333131323133311233   <<    D1212121221323132313232332313232233132313233313331313231333112333   >>      D1212121221323132313232332313232233132313233313331313231333112332   >>