deletions | additions       diff --git a/layout.md b/layout.md  index 80cfef1..4115790 100644  --- a/layout.md  +++ b/layout.md 
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Introduction.tex  Materials.tex  Laboratory Procedure.tex  subsection_Main_Clock_Frequency_The__.tex Main Clock Frequency.tex  begin_lstlisting_language_C_define__1.tex  begin_lstlisting_language_C_define__2.tex