diff --git a/test/regularization_factors.txt b/test/regularization_factors.txt
new file mode 100644
index 0000000..5479edc
--- /dev/null
+++ b/test/regularization_factors.txt
@@ -0,0 +1,6 @@
+# format
+# cluster_id hybrid admm_rho
+-1 2 4
+2 1 2
+
+# end