D33121212113313133313132322331323223313231322331311331323221311   >>    D3312121211331313331313232233132322331323132233131133132322131   <<    D33121212113313133313132322331323223313231322331311331323221313   >>      D33121212113313133313132322331323223313231322331311331323221312   >>