C1311213331333132332133313331333132313331333133313331323112113122311   >>    C131121333133313233213331333133313231333133313331333132311211312231   <<    C1311213331333132332133313331333132313331333133313331323112113122313   >>      C1311213331333132332133313331333132313331333133313331323112113122312   >>