C111123313121111121111331333133313331333133311233133313232332311   >>    C11112331312111112111133133313331333133313331123313331323233231   <<    C111123313121111121111331333133313331333133311233133313232332313   >>      C111123313121111121111331333133313331333133311233133313232332312   >>