D33121212113313223313132322331323331323131333131133132313232213232121   >>    D3312121211331322331313232233132333132313133313113313231323221323212   <<    D33121212113313223313132322331323331323131333131133132313232213232123   >>      D33121212113313223313132322331323331323131333131133132313232213232122   >>