diff --git a/roboc/cartes/test.txt b/roboc/cartes/test.txt
new file mode 100644
index 0000000..a87eb9e
--- /dev/null
+++ b/roboc/cartes/test.txt
@@ -0,0 +1,4 @@
+O1234
+abcde
+ABCDE
+zyxwv