C312322331333132212111133133313331333133323213331311331322323231   >>    C31232233133313221211113313331333133313332321333131133132232323   <<    C312322331333132212111133133313331333133323213331311331322323233   >>      C312322331333132212111133133313331333133323213331311331322323232   >>