C111112111133131121133133313331333132333131131211113313223313222323112331   >>    C11111211113313112113313331333133313233313113121111331322331322232311233   <<    C111112111133131121133133313331333132333131131211113313223313222323112333   >>      C111112111133131121133133313331333132333131131211113313223313222323112332   >>