anchor.diff:  ch150,Reverse,First Fit,37716,1374,433,0.11
   ch150,Reverse,Best Fit,37716,1374,131,0.399
   ch150,Reverse,Worst Fit,37716,1374,2954,11.671
  +ch150,Reverse,First Fit,35036,1374,443,0.12
  +ch150,Reverse,Best Fit,35036,1374,137,0.413
  +ch150,Reverse,Worst Fit,35036,1374,2729,10.744
  
positive.code: ch130,Reverse,First Fit,30634,1384,380,0.11
  ch130,Reverse,Best Fit,30634,1388,105,0.244
  ch130,Reverse,Worst Fit,30634,1384,2252,6.384
  ch150,Reverse,First Fit,36388,1374,401,0.104
  ch150,Reverse,Best Fit,36388,1374,133,0.495
  ch150,Reverse,Worst Fit,36388,1374,2819,12.84
  
negative.code: ali535,Reverse,First Fit,13476,208,1355,0.126
  ali535,Reverse,Best Fit,13476,208,391,23.17
  ali535,Reverse,Worst Fit,13476,208,6485,461.304
  ali535,Reverse,First Fit,12944,208,1328,0.181
  ali535,Reverse,Best Fit,12944,208,401,23.370
  ali535,Reverse,Worst Fit,12944,208,6212,468.584
  att48,Reverse,First Fit,158491,33851,125,0.18
  att48,Reverse,Best Fit,158491,35103,45,0.17
  att48,Reverse,Worst Fit,158491,34854,5038,1.954
  