C3123121111113313121111331333133313331333223313331333133112213331333131111   >>    C312312111111331312111133133313331333133322331333133313311221333133313111   <<    C3123121111113313121111331333133313331333223313331333133112213331333131113   >>      C3123121111113313121111331333133313331333223313331333133112213331333131112   >>