C1311213331333132332133313331333133313331333133313331333131211111331111231   >>    C131121333133313233213331333133313331333133313331333133313121111133111123   <<    C1311213331333132332133313331333133313331333133313331333131211111331111233   >>      C1311213331333132332133313331333133313331333133313331333131211111331111232   >>