D3313223323213233313232233132311211331323133313331311331333223321   >>    D331322332321323331323223313231121133132313331333131133133322332   <<    D3313223323213233313232233132311211331323133313331311331333223323   >>      D3313223323213233313232233132311211331323133313331311331333223322   >>