C3123121111331312121111331333133313331333121333133313331322121131122321   >>    C312312111133131212111133133313331333133312133313331333132212113112232   <<    C3123121111331312121111331333133313331333121333133313331322121131122323   >>      C3123121111331312121111331333133313331333121333133313331322121131122322   >>