C1311213331333132332133313331333133313121111331333133313232212323221   >>    C131121333133313233213331333133313331312111133133313331323221232322   <<    C1311213331333132332133313331333133313121111331333133313232212323223   >>      C1311213331333132332133313331333133313121111331333133313232212323222   >>