Index: lams_tool_preview/src/java/org/lamsfoundation/lams/tool/peerreview/dto/GroupSummary.java
===================================================================
diff -u -ree4201f2ead4c59e6411f7ac3921d62a42db589f -r97d962379745efc8be6cd313f8dfe640f9edcbf2
--- lams_tool_preview/src/java/org/lamsfoundation/lams/tool/peerreview/dto/GroupSummary.java	(.../GroupSummary.java)	(revision ee4201f2ead4c59e6411f7ac3921d62a42db589f)
+++ lams_tool_preview/src/java/org/lamsfoundation/lams/tool/peerreview/dto/GroupSummary.java	(.../GroupSummary.java)	(revision 97d962379745efc8be6cd313f8dfe640f9edcbf2)
@@ -54,13 +54,24 @@
 
     @Override
     public int compareTo(GroupSummary o) {
-	String name1 = this.sessionName.replaceAll("\\D+", "");
-	String name2 = o.sessionName.replaceAll("\\D+", "");
-	if (name1.length() == 0 || name2.length() == 0) {
-	    return this.sessionName.compareTo(o.sessionName);
+	String name1 = this.sessionName.toLowerCase();
+	String name2 = o.sessionName.toLowerCase();
+	String nameWithoutNumbers1 = name1.replaceAll("\\d+", "");
+	String nameWithoutNumbers2 = name2.replaceAll("\\d+", "");
+	if (!nameWithoutNumbers1.equals(nameWithoutNumbers2)) {
+	    return name1.compareTo(name2);
 	}
-	Long num1 = Long.parseLong(name1);
-	Long num2 = Long.parseLong(name2);
-	return num1.compareTo(num2);
+	String numbers1 = name1.replaceAll("\\D+", "");
+	String numbers2 = name2.replaceAll("\\D+", "");
+	if (numbers1.length() == 0 || numbers2.length() == 0) {
+	    return name1.compareTo(name2);
+	}
+	try {
+	    Long num1 = Long.parseLong(numbers1);
+	    Long num2 = Long.parseLong(numbers2);
+	    return num1.compareTo(num2);
+	} catch (Exception e) {
+	    return name1.compareTo(name2);
+	}
     }
 }
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