C312322331333132212111133133313331333133312121111121111332233312311   >>    C31232233133313221211113313331333133313331212111112111133223331231   <<    C312322331333132212111133133313331333133312121111121111332233312313   >>      C312322331333132212111133133313331333133312121111121111332233312312   >>