C3123121111331312121111331333133313331333121333133313331322132211311   >>    C312312111133131212111133133313331333133312133313331333132213221131   <<    C3123121111331312121111331333133313331333121333133313331322132211313   >>      C3123121111331312121111331333133313331333121333133313331322132211312   >>