C3123121111331312121111331333133313331333121333133313331133132221   >>    C312312111133131212111133133313331333133312133313331333113313222   <<    C3123121111331312121111331333133313331333121333133313331133132223   >>      C3123121111331312121111331333133313331333121333133313331133132222   >>