C111123313121111121111331333133313331323231333133313311213233121   >>    C11112331312111112111133133313331333132323133313331331121323312   <<    C111123313121111121111331333133313331323231333133313311213233123   >>      C111123313121111121111331333133313331323231333133313311213233122   >>