C1311213331333132332133313331333133313121111331333133313223313231321   >>    C131121333133313233213331333133313331312111133133313331322331323132   <<    C1311213331333132332133313331333133313121111331333133313223313231323   >>      C1311213331333132332133313331333133313121111331333133313223313231322   >>