1 files changed, 15 insertions, 5 deletions
diff --git a/src/dk.biks.bachelorizer/dk/biks/bachelorizer/Graph.java b/src/dk.biks.bachelorizer/dk/biks/bachelorizer/Graph.java
index ec4a35d..78ade2a 100644
--- a/src/dk.biks.bachelorizer/dk/biks/bachelorizer/Graph.java
+++ b/src/dk.biks.bachelorizer/dk/biks/bachelorizer/Graph.java
@@ -223,13 +223,19 @@ public final class Graph {
 		AbstractGraph h = new AdjListGraph();
 		Map<Set<Vertex>, String> groupLabel = new HashMap<>();
 		for (Set<Vertex> groupSet : sets) {
-			// create a string for each group of module selections
+
+			// stringify each group of module selections
 			String name = groupSet.stream()
 				.map(Vertex::toString)
-				.sorted() // avoid differently sorted duplicates
-				.collect(Collectors.joining(", ", "{", "}"));
+
+				// avoid differently sorted duplicates
+				.sorted()
+
 				// formatting of groups as vertices
-			groupLabel.put(groupSet, name); // map group to name of group
+				.collect(Collectors.joining(", ", "{", "}"));
+
+			// map group to name of group
+			groupLabel.put(groupSet, name);
 		}
 
 		for (Set<Vertex> s: sets) {
@@ -237,9 +243,13 @@ public final class Graph {
 				if (t == s) {
 					continue;
 				}
+
+				// process each pair only once
 				if (s.hashCode() > t.hashCode()) {
-					continue; // process each pair no more than once
+					continue;
 				}
+
+				// accumulate student count across set
 				int sum = 0;
 				for (Vertex v: s) {
 					// students with this choice