C1111233131211111211113313331333133313232321331133132313331333132312133311   >>    C111123313121111121111331333133313331323232133113313231333133313231213331   <<    C1111233131211111211113313331333133313232321331133132313331333132312133313   >>      C1111233131211111211113313331333133313232321331133132313331333132312133312   >>