C312322331333132212111133133313331333133312121111331313331333112113233211311   >>    C31232233133313221211113313331333133313331212111133131333133311211323321131   <<    C312322331333132212111133133313331333133312121111331313331333112113233211313   >>      C312322331333132212111133133313331333133312121111331313331333112113233211312   >>