C312322331333132212111133133313331333133312121111331333221333132321331211   >>    C31232233133313221211113313331333133313331212111133133322133313232133121   <<    C312322331333132212111133133313331333133312121111331333221333132321331213   >>      C312322331333132212111133133313331333133312121111331333221333132321331212   >>