C3123121111331312121111331333132313331333133313221211113313231111211   >>    C312312111133131212111133133313231333133313331322121111331323111121   <<    C3123121111331312121111331333132313331333133313221211113313231111213   >>      C3123121111331312121111331333132313331333133313221211113313231111212   >>