C3123121111113313121111331333133313331333223313331333133112133312232131131   >>    C312312111111331312111133133313331333133322331333133313311213331223213113   <<    C3123121111113313121111331333133313331333223313331333133112133312232131133   >>      C3123121111113313121111331333133313331333223313331333133112133312232131132   >>