C312322331333132212111133133313331333133312121111331333133113311   >>    C31232233133313221211113313331333133313331212111133133313311331   <<    C312322331333132212111133133313331333133312121111331333133113313   >>      C312322331333132212111133133313331333133312121111331333133113312   >>