C31231211113311331323133313331333133313331121133132313331123311   >>    C3123121111331133132313331333133313331333112113313231333112331   <<    C31231211113311331323133313331333133313331121133132313331123313   >>      C31231211113311331323133313331333133313331121133132313331123312   >>