Yeah ,
It
right. Right , it doesn't work. So , in a way , that 's , you know , that 's sort of the dominant thing is that even , say on the development set stuff that we saw , the , uh , the numbers that , uh , that Alcatel was getting when choosing out the best single numbers ,  it was just  you know , it wasn't good enough for  for  a  a  for a real system.
Mmm. Mm - hmm.