diff --git a/CS.tex b/CS.tex
index a4ae7065c15e749e17dd549a4ac81d8d889193a7..8a7fe4f4709af724795e07071cc40aa54aa04df8 100644
--- a/CS.tex
+++ b/CS.tex
@@ -90,6 +90,8 @@ circle label/.style = {
       \draw[dotted] (-1,-0.9) circle (1);
      \path[circle label={MP = 3 x spheres}] (-1,-4.6) arc (-90:315-45:1.1);
       \draw[dotted] (-1,-3.5) circle (1) node [align=left] {};
+     \path[circle label={Encumbrance}] (-1,-7.2) arc (-90:315-45:1.1);
+      \draw[dotted] (-1,-6.1) circle (1) node [align=left] {};
     \end{tikzpicture}
 
   }