D33121212113313223313132322331323331323331322331323132323131221   >>    D3312121211331322331313232233132333132333132233132313232313122   <<    D33121212113313223313132322331323331323331322331323132323131223   >>      D33121212113313223313132322331323331323331322331323132323131222   >>