C31231211113311331323133313331333133313331333133313331312113311   >>    C3123121111331133132313331333133313331333133313331333131211331   <<    C31231211113311331323133313331333133313331333133313331312113313   >>      C31231211113311331323133313331333133313331333133313331312113312   >>