diff --git a/data/week_09/owan03.csv b/data/week_09/owan03.csv
new file mode 100644
index 0000000..25a4c88
--- /dev/null
+++ b/data/week_09/owan03.csv
@@ -0,0 +1,12 @@
+X1,X2,X3,X4
+70,49,30,34
+77,60,37,36
+83,63,56,48
+87,67,65,48
+92,70,76,65
+93,74,83,91
+100,77,87,98
+102,80,90,102
+102,89,94,
+103,,97,
+96,,,