Stable tested version
diff --git a/DeReKo/explore_dereko.py b/DeReKo/explore_dereko.py
index c5ddc49..eabb2fc 100644
--- a/DeReKo/explore_dereko.py
+++ b/DeReKo/explore_dereko.py
@@ -19,5 +19,5 @@
         file_groups[prefix].append(fn)
         print(fn.split(".")[0])
     
-    #for group,files in sorted(file_groups.items(), key=lambda x: len(x[1]), reverse=True):
-    #    print(group, len(files))
\ No newline at end of file
+    for group,files in sorted(file_groups.items(), key=lambda x: len(x[1]), reverse=True):
+       print(group, len(files))
\ No newline at end of file