C1311213331333132332133313331333133313331333132313232313223313133121   >>    C131121333133313233213331333133313331333133313231323231322331313312   <<    C1311213331333132332133313331333133313331333132313232313223313133123   >>      C1311213331333132332133313331333133313331333132313232313223313133122   >>