C3132121111133313233121111331333133313331333133313331333133313233213331312311   >>    C313212111113331323312111133133313331333133313331333133313331323321333131231   <<    C3132121111133313233121111331333133313331333133313331333133313233213331312313   >>      C3132121111133313233121111331333133313331333133313331333133313233213331312312   >>