C111123313121111121111331333133313331323232133313133313231322231   >>    C11112331312111112111133133313331333132323213331313331323132223   <<    C111123313121111121111331333133313331323232133313133313231322233   >>      C111123313121111121111331333133313331323232133313133313231322232   >>