C1311213331333132332133313331333133313121111331333133313231322312111   >>    C131121333133313233213331333133313331312111133133313331323132231211   <<    C1311213331333132332133313331333133313121111331333133313231322312113   >>      C1311213331333132332133313331333133313121111331333133313231322312112   >>