D3313223323213233313232233132311211331323133313331311331333132212311   >>    D331322332321323331323223313231121133132313331333131133133313221231   <<    D3313223323213233313232233132311211331323133313331311331333132212313   >>      D3313223323213233313232233132311211331323133313331311331333132212312   >>