C111123313121111121111331333133313331333133313331333133112111133132321121   >>    C11112331312111112111133133313331333133313331333133313311211113313232112   <<    C111123313121111121111331333133313331333133313331333133112111133132321123   >>      C111123313121111121111331333133313331333133313331333133112111133132321122   >>