C111112111133131121133133313331333133313123221211113313331322121233131   >>    C11111211113313112113313331333133313331312322121111331333132212123313   <<    C111112111133131121133133313331333133313123221211113313331322121233133   >>      C111112111133131121133133313331333133313123221211113313331322121233132   >>