D33121212113313223313132322331323331323131333131133132313232211212121   >>    D3312121211331322331313232233132333132313133313113313231323221121212   <<    D33121212113313223313132322331323331323131333131133132313232211212123   >>      D33121212113313223313132322331323331323131333131133132313232211212122   >>