C111112111133131121133133313331333133313123221211113313331322331333222232111   >>    C11111211113313112113313331333133313331312322121111331333132233133322223211   <<    C111112111133131121133133313331333133313123221211113313331322331333222232113   >>      C111112111133131121133133313331333133313123221211113313331322331333222232112   >>