C31232233133313221211113313331333133313331212111133133313221333133313311213111   >>    C3123223313331322121111331333133313331333121211113313331322133313331331121311   <<    C31232233133313221211113313331333133313331212111133133313221333133313311213113   >>      C31232233133313221211113313331333133313331212111133133313221333133313311213112   >>