D3313223323213233313232233132311211331323133313331311331313311232311   >>    D331322332321323331323223313231121133132313331333131133131331123231   <<    D3313223323213233313232233132311211331323133313331311331313311232313   >>      D3313223323213233313232233132311211331323133313331311331313311232312   >>