C111123313121111121111331333133313331333132232233133313332112312131   >>    C11112331312111112111133133313331333133313223223313331333211231213   <<    C111123313121111121111331333133313331333132232233133313332112312133   >>      C111123313121111121111331333133313331333132232233133313332112312132   >>