C3123121111331312121111331333132313331333133313221211113313331122231211   >>    C312312111133131212111133133313231333133313331322121111331333112223121   <<    C3123121111331312121111331333132313331333133313221211113313331122231213   >>      C3123121111331312121111331333132313331333133313221211113313331122231212   >>