C3123121111331312121111331333133313331333121333133313331211113331333133313221   >>    C312312111133131212111133133313331333133312133313331333121111333133313331322   <<    C3123121111331312121111331333133313331333121333133313331211113331333133313223   >>      C3123121111331312121111331333133313331333121333133313331211113331333133313222   >>