C312322331333132212111133133313331333133323213331311331323223331231   >>    C31232233133313221211113313331333133313332321333131133132322333123   <<    C312322331333132212111133133313331333133323213331311331323223331233   >>      C312322331333132212111133133313331333133323213331311331323223331232   >>