diff --git a/content/matrk06/ruby_1.csv b/content/matrk06/ruby_1.csv
new file mode 100644
index 00000000..6f79df18
--- /dev/null
+++ b/content/matrk06/ruby_1.csv
@@ -0,0 +1,5 @@
+name,ruby,php,python,perl
+一郎,100,40,70,80
+二郎,60,90,80,10
+三郎,90,60,60,60
+四郎,80,70,70,80