C312312111111331312111133133313331323331333131212111133131333132332323213232331   >>    C31231211111133131211113313331333132333133313121211113313133313233232321323233   <<    C312312111111331312111133133313331323331333131212111133131333132332323213232333   >>      C312312111111331312111133133313331323331333131212111133131333132332323213232332   >>