D331122213231333131333131322331313331323132233132313232123313231322121121   >>    D33112221323133313133313132233131333132313223313231323212331323132212112   <<    D331122213231333131333131322331313331323132233132313232123313231322121123   >>      D331122213231333131333131322331313331323132233132313232123313231322121122   >>