C31232233133313221211113313331333133313331212111133112211232322233121   >>    C3123223313331322121111331333133313331333121211113311221123232223312   <<    C31232233133313221211113313331333133313331212111133112211232322233123   >>      C31232233133313221211113313331333133313331212111133112211232322233122   >>