diff --git a/vsc/undergraduate/images/image4.drawio.svg b/vsc/undergraduate/images/image4.drawio.svg
new file mode 100644
index 00000000..74b74c3d
--- /dev/null
+++ b/vsc/undergraduate/images/image4.drawio.svg
@@ -0,0 +1,4 @@
+
+
+
+
\ No newline at end of file
diff --git a/vsc/undergraduate/images/image5.drawio.svg b/vsc/undergraduate/images/image5.drawio.svg
new file mode 100644
index 00000000..a863b0c9
--- /dev/null
+++ b/vsc/undergraduate/images/image5.drawio.svg
@@ -0,0 +1,4 @@
+
+
+
+
\ No newline at end of file
diff --git a/vsc/undergraduate/images/image6.drawio.svg b/vsc/undergraduate/images/image6.drawio.svg
new file mode 100644
index 00000000..24ec3d1a
--- /dev/null
+++ b/vsc/undergraduate/images/image6.drawio.svg
@@ -0,0 +1,4 @@
+
+
+
+
\ No newline at end of file