deletions | additions       diff --git a/Challenge Structure.tex b/Challenge Structure.tex  index 6fc9b63..8671573 100644  --- a/Challenge Structure.tex  +++ b/Challenge Structure.tex 
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\begin{enumerate}  \item $f>0.75$  \item $\Chi^2<1.1 $\chi^2<1.1  f N$ \item $R<0.1$  \end{enumerate}