D33121212113313133313132322331323223313231322331323223313123121111   >>    D3312121211331313331313232233132322331323132233132322331312312111   <<    D33121212113313133313132322331323223313231322331323223313123121113   >>      D33121212113313133313132322331323223313231322331323223313123121112   >>