C1311213331333132332133313331333133313331333131133133312111113222112312131   >>    C131121333133313233213331333133313331333133313113313331211111322211231213   <<    C1311213331333132332133313331333133313331333131133133312111113222112312133   >>      C1311213331333132332133313331333133313331333131133133312111113222112312132   >>