C1311213331333132332133313331333132313331333133313331323112112131   >>    C131121333133313233213331333133313231333133313331333132311211213   <<    C1311213331333132332133313331333132313331333133313331323112112133   >>      C1311213331333132332133313331333132313331333133313331323112112132   >>