Got rid of 20000 node subgroups.

dataset/generate_graph.py

@@ -99,7 +99,7 @@ def read_graph_from_file(filename, path="graphs/"):
 
 
 if __name__ == '__main__':
-    n = [200, 500, 1_000, 2_000, 5_000, 10_000, 20_000, 50_000]
+    n = [200, 500, 1_000, 2_000, 5_000, 10_000]
     for k in [5]:
         group = str(k) + "n"
         print("generating graph group:", str(k) + "n")