D331212121133131333131323223313232233132313223313231323133313121   >>    D33121212113313133313132322331323223313231322331323132313331312   <<    D331212121133131333131323223313232233132313223313231323133313123   >>      D331212121133131333131323223313232233132313223313231323133313122   >>