C3132121111133313233121111331333133313331333133313331333133313233211111312311   >>    C313212111113331323312111133133313331333133313331333133313331323321111131231   <<    C3132121111133313233121111331333133313331333133313331333133313233211111312313   >>      C3132121111133313233121111331333133313331333133313331333133313233211111312312   >>