diff --git a/gm11.py b/gm11.py
new file mode 100644
index 0000000..4232f0e
--- /dev/null
+++ b/gm11.py
@@ -0,0 +1,21 @@
+#!/usr/bin/python 
+# -*- coding: utf-8 -*-
+import sys
+import json
+from grey_theory import GreyTheory
+
+# GM11
+gm11 = GreyTheory().gm11
+gm11.alpha = 0.5
+gm11.convolution = True
+gm11.stride = 1 
+gm11.length = 4
+
+numbers = json.loads(sys.argv[1])
+print numbers
+
+for (i, num) in enumerate(numbers):
+  gm11.add_pattern(num, str(i))
+
+gm11.forecast()
+gm11.print_forecasted_results()
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