C3123121111331312121111331333133313331333121333133313332212323231   >>    C312312111133131212111133133313331333133312133313331333221232323   <<    C3123121111331312121111331333133313331333121333133313332212323233   >>      C3123121111331312121111331333133313331333121333133313332212323232   >>