diff --git a/3_advanced/chapter13/filler b/3_advanced/chapter13/filler
new file mode 100644
index 00000000..644012f7
--- /dev/null
+++ b/3_advanced/chapter13/filler
@@ -0,0 +1 @@
+#This is filler content. You can only add 1 folder at a time?
diff --git a/3_advanced/chapter14/examples/filler b/3_advanced/chapter14/examples/filler
new file mode 100644
index 00000000..644012f7
--- /dev/null
+++ b/3_advanced/chapter14/examples/filler
@@ -0,0 +1 @@
+#This is filler content. You can only add 1 folder at a time?
diff --git a/3_advanced/chapter14/filler b/3_advanced/chapter14/filler
new file mode 100644
index 00000000..644012f7
--- /dev/null
+++ b/3_advanced/chapter14/filler
@@ -0,0 +1 @@
+#This is filler content. You can only add 1 folder at a time?
diff --git a/3_advanced/chapter14/practice/filler b/3_advanced/chapter14/practice/filler
new file mode 100644
index 00000000..8f31d373
--- /dev/null
+++ b/3_advanced/chapter14/practice/filler
@@ -0,0 +1 @@
+This is filler content. You can only add 1 folder at a time?
diff --git a/3_advanced/chapter14/solutions/filler b/3_advanced/chapter14/solutions/filler
new file mode 100644
index 00000000..8f31d373
--- /dev/null
+++ b/3_advanced/chapter14/solutions/filler
@@ -0,0 +1 @@
+This is filler content. You can only add 1 folder at a time?
diff --git a/3_advanced/chapter15/filler b/3_advanced/chapter15/filler
new file mode 100644
index 00000000..644012f7
--- /dev/null
+++ b/3_advanced/chapter15/filler
@@ -0,0 +1 @@
+#This is filler content. You can only add 1 folder at a time?
diff --git a/3_advanced/filler b/3_advanced/filler
new file mode 100644
index 00000000..644012f7
--- /dev/null
+++ b/3_advanced/filler
@@ -0,0 +1 @@
+#This is filler content. You can only add 1 folder at a time?