C312322331333132212111133133313331333131133113313331311331132311   >>    C31232233133313221211113313331333133313113311331333131133113231   <<    C312322331333132212111133133313331333131133113313331311331132313   >>      C312322331333132212111133133313331333131133113313331311331132312   >>