diff --git a/GS.tex b/GS.tex
index efa6498f59027251fd244ae55ce8665de0dea8b4..45e44a7d2be0d7453156313ec957b082a875f5d1 100644
--- a/GS.tex
+++ b/GS.tex
@@ -74,15 +74,15 @@
   %----
     \setcounter{track}{7}
     \posterbox[blankest]{name=track,column=27,row=2,span=3,rowspan=3}{
-      {\large
-
-      \Repeat{15}{\tracker
-      }
-
-
-      }
-
+      {
+        \large
+        \setcounter{track}{7}
+        \setcounter{enc}{0}
+        \Repeat{15}{
+          \intervalTrack
+        }%
       }
+    }
 
 %----
 
diff --git a/layout.sty b/layout.sty
index c3e17e960cff0a5e60b77552fe7ed91f9013db1b..a22b465855815acac667fe90987a3caca55a3a6c 100644
--- a/layout.sty
+++ b/layout.sty
@@ -742,6 +742,18 @@ interior code={ \path[tcb fill interior] ([xshift=-2mm]interior.west)
 
     }
 
+\newcommand\intervalTrack{
+  \center\noindent%
+  \showInterval{\value{enc}}~~\arabic{track}
+  \addtocounter{track}{-1}%
+  \addtocounter{enc}{1}%
+  \vspace{.54cm}
+  \ifnum\value{enc}>3
+    \setcounter{enc}{0}
+  \fi
+
+}
+
 \newcommand\bigLine{%
   \textcolor{\pageSideColor}{\ifodd\value{page}\raisebox{-3pt}{\Large\hspace{0.1em}\flourish}\fi\hrulefill\ifodd\value{page}\else\raisebox{-3pt}{\Large\hspace{-0.1em}\flourish}\fi}%
 }
diff --git a/seasons.sty b/seasons.sty
index 4ffff45264fd8d1afd220cd34ec7f4f8e62f6b52..6d8091041796e3122d9237544956c4f1d55011b8 100644
--- a/seasons.sty
+++ b/seasons.sty
@@ -91,3 +91,14 @@
   \setcounter{temperature}{1}%
 \fi%
 
+\newcommand\showInterval[1]{%
+  \ifcase#1%
+    \LEFTcircle%
+  \or%
+    \Circle
+  \or%
+    \RIGHTcircle
+  \else%
+    \CIRCLE
+  \fi%
+}