generators.YIELDTransduction("YIELD mapping"):
{
  X1 = proj-1:0,
  X2 = proj-2:0,
  X3 = proj-3:0,
  invert = const-invert-1:0,
  refine = const-refine-9:0,
  refine2 = const-refine2-3:0,
  refine3 = const-refine3-3:0
}
