C1311213331333132332133313331333133313121111331333132313331312233231   >>    C131121333133313233213331333133313331312111133133313231333131223323   <<    C1311213331333132332133313331333133313121111331333132313331312233233   >>      C1311213331333132332133313331333133313121111331333132313331312233232   >>