C312322331333132212111133133313331333133312121111113313113313331322121233121   >>    C31232233133313221211113313331333133313331212111111331311331333132212123312   <<    C312322331333132212111133133313331333133312121111113313113313331322121233123   >>      C312322331333132212111133133313331333133312121111113313113313331322121233122   >>