D33121212113313133313132322331323223313231322331311331323222221   >>    D3312121211331313331313232233132322331323132233131133132322222   <<    D33121212113313133313132322331323223313231322331311331323222223   >>      D33121212113313133313132322331323223313231322331311331323222222   >>