C111112111133131121133133313331333133313331323112331333133313331333131113231   >>    C11111211113313112113313331333133313331333132311233133313331333133313111323   <<    C111112111133131121133133313331333133313331323112331333133313331333131113233   >>      C111112111133131121133133313331333133313331323112331333133313331333131113232   >>