Or what was that ? Yeah.
Oh , k Sorry.
Uh , how long a  ?
I  I think it 's  it 's fast , because , uh , I have the results , eh , of the study of different energy without the law length. Eh , um , eh , in the  in the measurement , uh , the average , uh , dividing by the  by the , um , variance. Um , I  th i