anchor.diff:  
   ,takfp,perl,0
   
  +,tcpecho,nice,0
  +,tcprequest,nice,0
  +,tcpstream,nice,0
  +
  +
  
positive.code: ,nsieve,ocaml,2
  ,nsieve,ocamlb,0
  
  ,tcpecho,nice,0
  ,tcprequest,nice,0
  ,tcpstream,nice,0
  
  
  ,except,cmucl,2
  ,except,felix,0
  ,except,python,2
  
  ,prodcons,ghc,0
  ,prodcons,gforth,0
  
negative.code: use,test,lang,id
  
  ,ackermann,gcc,2
  ,ackermann,icc,2
  
  ,except,cmucl,2
  ,except,felix,0
  ,except,python,2
  
  ,fannkuch,python,0
  ,fannkuch,ocaml,0
  