C312322331333132212111133133313331333133323213331311331323223313123331   >>    C31232233133313221211113313331333133313332321333131133132322331312333   <<    C312322331333132212111133133313331333133323213331311331323223313123333   >>      C312322331333132212111133133313331333133323213331311331323223313123332   >>