C1311213331333132332133313331333133313331333131133132313331313112233121   >>    C131121333133313233213331333133313331333133313113313231333131311223312   <<    C1311213331333132332133313331333133313331333131133132313331313112233123   >>      C1311213331333132332133313331333133313331333131133132313331313112233122   >>