anchor.diff:  K,13, 0.0, t
   K,14, 0.0, t
   K,15, vcctRegion,t
  -K,16, vcctRegion,refHlow
  -K,17, vcctRegion,refHup
   
   K,16, L, t
  +
  +K,17, vcctRegion,refHlow
  +K,18, vcctRegion,refHup
   
   ! Lines
   
  
positive.code: L, 13, 5           !9
  L, 5, 1            !10
  L, 5, 9            !11
  L, 9, 16           !12
  L, 8, 12           !13
  L, 12, 17          !14
  L, 10, 15          !15
  L, 11, 15          !16
  L, 15, 16          !17
  
negative.code: L, 11, 12          !21
  L, 16, 15          !22
  L, 15, 17          !23
  L, 17, 6           !24
  L, 18, 7           !25
  
  ! Areas
  
  