C312322331333132212111133133313331333133312121111331333131333131133222221   >>    C31232233133313221211113313331333133313331212111133133313133313113322222   <<    C312322331333132212111133133313331333133312121111331333131333131133222223   >>      C312322331333132212111133133313331333133312121111331333131333131133222222   >>