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: berlin52,Reverse,First Fit,21500,3430,85,0.1
  berlin52,Reverse,Best Fit,21500,3430,36,0.12
  berlin52,Reverse,Worst Fit,21500,3430,291,0.108
  bier127,Reverse,First Fit,627619,128851,451,0.124
  bier127,Reverse,Best Fit,627619,131833,127,0.297
  bier127,Reverse,Worst Fit,627619,138534,56027,174.240
  
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
  