diff --git a/Questions.txt b/Questions.txt
index 1cd00cf..d5ec735 100644
--- a/Questions.txt
+++ b/Questions.txt
@@ -58,4 +58,9 @@ Revisado por profesor.
 #11
 
 
-#12
\ No newline at end of file
+-------------------------------------------------------
+#12
+
+
+-------------------------------------------------------
+#13
\ No newline at end of file