C3123121111331312121111331333133313331333121333132313331322213111   >>    C312312111133131212111133133313331333133312133313231333132221311   <<    C3123121111331312121111331333133313331333121333132313331322213113   >>      C3123121111331312121111331333133313331333121333132313331322213112   >>