diff --git a/nodes/head1.svg b/nodes/head1.svg
new file mode 100644
index 0000000..e74dad6
--- /dev/null
+++ b/nodes/head1.svg
@@ -0,0 +1,87 @@
+
+
diff --git a/nodes/head2.svg b/nodes/head2.svg
new file mode 100644
index 0000000..3c3594e
--- /dev/null
+++ b/nodes/head2.svg
@@ -0,0 +1,90 @@
+
+
diff --git a/nodes/head3.svg b/nodes/head3.svg
new file mode 100644
index 0000000..1f6db74
--- /dev/null
+++ b/nodes/head3.svg
@@ -0,0 +1,87 @@
+
+