C3123121111331312121111331311331333133313232233132322231323132313221   >>    C312312111133131212111133131133133313331323223313232223132313231322   <<    C3123121111331312121111331311331333133313232233132322231323132313223   >>      C3123121111331312121111331311331333133313232233132322231323132313222   >>