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--rw-rw-r-- rsc    sys    63 Nov 10  2005 origls
--rw-rw-r-- rsc    sys    66 Nov  9  2005 readme
--rw-rw-r-- bootes sys 22804 Nov  9  2005 rio.c
--rw-rw-r-- bootes sys 22143 Nov  9  2005 rio.c.backup
--rw-rw-r-- bootes sys 22804 Nov  9  2005 rio.c.new
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