ascendent order
diff --git a/DeReKo/explore_dereko.py b/DeReKo/explore_dereko.py
index 9fefab0..fcf4915 100644
--- a/DeReKo/explore_dereko.py
+++ b/DeReKo/explore_dereko.py
@@ -17,5 +17,5 @@
prefix = fn.split(".")[0]
prefix = re.findall("\D+", prefix)[0]
file_groups[prefix].append(fn)
- for group,files in sorted(file_groups.items(), key=lambda x: len(x[1])):
+ for group,files in sorted(file_groups.items(), key=lambda x: len(x[1]), reverse=True):
print(group, len(files))
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