C3123121111331312121111331311331333133313232233132313113313231321   >>    C312312111133131212111133131133133313331323223313231311331323132   <<    C3123121111331312121111331311331333133313232233132313113313231323   >>      C3123121111331312121111331311331333133313232233132313113313231322   >>