C111123313121111121111331333133313331323232133313331333133112121111132233121   >>    C11112331312111112111133133313331333132323213331333133313311212111113223312   <<    C111123313121111121111331333133313331323232133313331333133112121111132233123   >>      C111123313121111121111331333133313331323232133313331333133112121111132233122   >>