anchor.diff:  1850,D3Ab
   1851,DSEXT
   1852,S2A
  +1852,SQUAD
   1852,HSTR
   1852,VSTR
   1853,DSEXT
   1854,D2A
   1855,Q1AD
   1856,D1Aa
  -1856,SQUAD
   1857,BPM
   1858,D1Ab
   1859,DSEXT
  
positive.code: 816,D3Ab
  817,DSEXT
  818,S2A
  818,HSTR
  818,VSTR
  819,DSEXT
  
negative.code: 1514,VSTR
  1515,DSEXT
  1516,D1A
  1517,Q1AB
  1518,D2A
  1519,DSEXT
  1520,S2A
  1520,SQUAD
  1520,HSTR
  1520,VSTR
  1521,DSEXT
  