C111112111133131121133133313331333133313331323133313331331121111331333133112331   >>    C11111211113313112113313331333133313331333132313331333133112111133133313311233   <<    C111112111133131121133133313331333133313331323133313331331121111331333133112333   >>      C111112111133131121133133313331333133313331323133313331331121111331333133112332   >>