D33121212113313223313132322331323331323331322331323132322123111   >>    D3312121211331322331313232233132333132333132233132313232212311   <<    D33121212113313223313132322331323331323331322331323132322123113   >>      D33121212113313223313132322331323331323331322331323132322123112   >>