C312322331333132212111133133313331333133312121111331333312133311   >>    C31232233133313221211113313331333133313331212111133133331213331   <<    C312322331333132212111133133313331333133312121111331333312133313   >>      C312322331333132212111133133313331333133312121111331333312133312   >>