D3313223323213233313232233132311211331323133313331311331333133313221232331   >>    D331322332321323331323223313231121133132313331333131133133313331322123233   <<    D3313223323213233313232233132311211331323133313331311331333133313221232333   >>      D3313223323213233313232233132311211331323133313331311331333133313221232332   >>