C312322331333132212111133133313331333131133113313331333232133313122311   >>    C31232233133313221211113313331333133313113311331333133323213331312231   <<    C312322331333132212111133133313331333131133113313331333232133313122313   >>      C312322331333132212111133133313331333131133113313331333232133313122312   >>