C111112111133131121133133313331333133313123221211111333133313232123311233131   >>    C11111211113313112113313331333133313331312322121111133313331323212331123313   <<    C111112111133131121133133313331333133313123221211111333133313232123311233133   >>      C111112111133131121133133313331333133313123221211111333133313232123311233132   >>