C1311213331333132332133313331333133313331333133313331333131211111111112131   >>    C131121333133313233213331333133313331333133313331333133313121111111111213   <<    C1311213331333132332133313331333133313331333133313331333131211111111112133   >>      C1311213331333132332133313331333133313331333133313331333131211111111112132   >>