anchor.diff:  19029,yes
   19035,yes
   19039,yes
  -19039,yes
  +19041,yes
   19047,yes
   19049,yes
   19053,yes
   19055,yes
  +19057,yes
   19059,yes
  +19061,yes
   19063,yes
   19069,yes
   19071,yes
  
positive.code: 48149,yes
  48161,yes
  48165,yes
  48179,yes
  48185,yes
  48195,yes
  
negative.code: 13229,yes
  13239,yes
  13243,yes
  13245,yes
  13249,yes
  13253,yes
  13259,yes
  