C111123313121111121111331333133313331323232133313331333133313121313311211   >>    C11112331312111112111133133313331333132323213331333133313331312131331121   <<    C111123313121111121111331333133313331323232133313331333133313121313311213   >>      C111123313121111121111331333133313331323232133313331333133313121313311212   >>