D3313223323213233313232233132311211331323133313331311331333132212131   >>    D331322332321323331323223313231121133132313331333131133133313221213   <<    D3313223323213233313232233132311211331323133313331311331333132212133   >>      D3313223323213233313232233132311211331323133313331311331333132212132   >>