deletions | additions       diff --git a/layout.md b/layout.md  index 2ba636c..259a8a2 100644  --- a/layout.md  +++ b/layout.md 
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Question_3_On_arc_consistency__.tex title_Question_3_On_arc__.tex  On_constraint_graph_begin_quote__.tex  Assuming_that_we_have_no__.tex  subsection_A_B_Since_A__.tex