C312322331333132212111133133313331333131133113313331333121133231   >>    C31232233133313221211113313331333133313113311331333133312113323   <<    C312322331333132212111133133313331333131133113313331333121133233   >>      C312322331333132212111133133313331333131133113313331333121133232   >>