C111123313121111121111331333133313331323221211113313113313331333133313132133121   >>    C11112331312111112111133133313331333132322121111331311331333133313331313213312   <<    C111123313121111121111331333133313331323221211113313113313331333133313132133123   >>      C111123313121111121111331333133313331323221211113313113313331333133313132133122   >>