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   DIR squid-2
   DIR squid-2.6
   DIR squid-2.7
   DIR squid-3.0
   DIR squid-3.1
   DIR squid-3.2
   DIR squid-3.3
   DIR squid-3.4
   DIR squid-3.5
   DIR squid-4
   DIR squid-5
   DIR squid-6
   DIR squid-7