C313212111133131211331333133313331311331333131211111333132322133313232231   >>    C31321211113313121133133313331333131133133313121111133313232213331323223   <<    C313212111133131211331333133313331311331333131211111333132322133313232233   >>      C313212111133131211331333133313331311331333131211111333132322133313232232   >>