C111123313121111121111331333133313331333133313331333133313331333232133112111   >>    C11112331312111112111133133313331333133313331333133313331333133323213311211   <<    C111123313121111121111331333133313331333133313331333133313331333232133112113   >>      C111123313121111121111331333133313331333133313331333133313331333232133112112   >>