C111112111133131121133133313331333133313123221211113313331322331333221323321   >>    C11111211113313112113313331333133313331312322121111331333132233133322132332   <<    C111112111133131121133133313331333133313123221211113313331322331333221323323   >>      C111112111133131121133133313331333133313123221211113313331322331333221323322   >>