C312322331333132212111133133313331333133323213331311331323223311   >>    C31232233133313221211113313331333133313332321333131133132322331   <<    C312322331333132212111133133313331333133323213331311331323223313   >>      C312322331333132212111133133313331333133323213331311331323223312   >>