Added cycle notation

Advanced/Symmetric Group/main.tex

@@ -5,7 +5,7 @@
 	singlenumbering
 ]{../../resources/ormc_handout}
 \usepackage{../../resources/macros}
-
+\usetikzlibrary{calc}
 
 \uptitlel{Advanced 2}
 \uptitler{Winter 2023}
@@ -14,14 +14,22 @@
 
 
 
+\def\line#1#2{
+	\draw[line width = 0.3mm, ->, ocyan]
+		(#1)
+		-- ($(#1) + (0, -1)$)
+		-- ($(#2) + (0,1)$)
+		-- (#2);
+}
 
 \begin{document}
 
 	\maketitle
 
 	\input{parts/0 intro}
+	\input{parts/1 cycle}
+
 
-	% cycle notation
 	% decomposition into transpositions
 	% few more problems?