C111123313121111121111331333133313331333133313331333133112111133112131121   >>    C11112331312111112111133133313331333133313331333133313311211113311213112   <<    C111123313121111121111331333133313331333133313331333133112111133112131123   >>      C111123313121111121111331333133313331333133313331333133112111133112131122   >>