Thu Mar 25 08:20:15 PDT 2010 :  ./test1_9.sh r20 1 ./data/r20
Thu Mar 25 08:29:19 PDT 2010 :  ./test1_9.sh r20 2 ./data/r20
Thu Mar 25 08:35:56 PDT 2010 :  ./test1_9.sh r20 3 ./data/r20