C2221232323213331311331333133313231333131211211323223313113221331   >>    C222123232321333131133133313331323133313121121132322331311322133   <<    C2221232323213331311331333133313231333131211211323223313113221333   >>      C2221232323213331311331333133313231333131211211323223313113221332   >>