C1311213331333132332133313331333133313331333133313331311113313221232113311   >>    C131121333133313233213331333133313331333133313331333131111331322123211331   <<    C1311213331333132332133313331333133313331333133313331311113313221232113313   >>      C1311213331333132332133313331333133313331333133313331311113313221232113312   >>