C31231211113311331323133313331333133313331121133132322333123121   >>    C3123121111331133132313331333133313331333112113313232233312312   <<    C31231211113311331323133313331333133313331121133132322333123123   >>      C31231211113311331323133313331333133313331121133132322333123122   >>