diff --git a/tutorial/tutorial01 b/tutorial/tutorial01
deleted file mode 100644
index b5d32ea..0000000
--- a/tutorial/tutorial01
+++ /dev/null
@@ -1,166 +0,0 @@
-graph {
-// Graph generated by WireViz 0.5-dev
-// https://github.com/formatc1702/WireViz
-	graph [bgcolor="#FFFFFF" fontname=arial nodesep=0.33 rankdir=LR ranksep=2]
-	node [fillcolor="#FFFFFF" fontname=arial height=0 margin=0 shape=none style=filled width=0]
-	edge [fontname=arial style=bold]
-	edge [headclip=true style=bold tailclip=true]
-	X1 [label=<
-<table border="0" cellspacing="0" cellpadding="0">
- <tr><td>
-  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
-   <td balign="left">X1</td>
-  </tr></table>
- </td></tr>
- <tr><td>
-  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
-   <td balign="left">4-pin</td>
-  </tr></table>
- </td></tr>
- <tr><td>
-  <table border="0" cellspacing="0" cellpadding="3" cellborder="1">
-   <tr>
-    <td port="p1r">1</td>
-   </tr>
-   <tr>
-    <td port="p2r">2</td>
-   </tr>
-   <tr>
-    <td port="p3r">3</td>
-   </tr>
-   <tr>
-    <td port="p4r">4</td>
-   </tr>
-  </table>
- </td></tr>
-</table>
-> fillcolor="#FFFFFF" shape=box style=filled]
-	edge [headclip=true style=bold tailclip=true]
-	X2 [label=<
-<table border="0" cellspacing="0" cellpadding="0">
- <tr><td>
-  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
-   <td balign="left">X2</td>
-  </tr></table>
- </td></tr>
- <tr><td>
-  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
-   <td balign="left">4-pin</td>
-  </tr></table>
- </td></tr>
- <tr><td>
-  <table border="0" cellspacing="0" cellpadding="3" cellborder="1">
-   <tr>
-    <td port="p1l">1</td>
-   </tr>
-   <tr>
-    <td port="p2l">2</td>
-   </tr>
-   <tr>
-    <td port="p3l">3</td>
-   </tr>
-   <tr>
-    <td port="p4l">4</td>
-   </tr>
-  </table>
- </td></tr>
-</table>
-> fillcolor="#FFFFFF" shape=box style=filled]
-	edge [color="#000000:#ffffff:#000000"]
-	X1:p1r:e -- W1:w1:w
-	W1:w1:e -- X2:p1l:w
-	edge [color="#000000:#ffffff:#000000"]
-	X1:p2r:e -- W1:w2:w
-	W1:w2:e -- X2:p2l:w
-	edge [color="#000000:#ffffff:#000000"]
-	X1:p3r:e -- W1:w3:w
-	W1:w3:e -- X2:p3l:w
-	edge [color="#000000:#ffffff:#000000"]
-	X1:p4r:e -- W1:w4:w
-	W1:w4:e -- X2:p4l:w
-	W1 [label=<
-<table border="0" cellspacing="0" cellpadding="0">
- <tr><td>
-  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
-   <td balign="left">W1</td>
-  </tr></table>
- </td></tr>
- <tr><td>
-  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
-   <td balign="left">4x</td>
-   <td balign="left">1 m</td>
-  </tr></table>
- </td></tr>
- <tr><td>
-  <table border="0" cellspacing="0" cellborder="0">
-   <tr><td>&nbsp;</td></tr>
-   <tr>
-    <td>X1:1</td>
-    <td>
-     1
-    </td>
-    <td>X2:1</td>
-   </tr>
-   <tr>
-    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w1" height="6">
-     <table cellspacing="0" cellborder="0" border="0">
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffffff" border="0"></td></tr>
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
-     </table>
-    </td>
-   </tr>
-   <tr>
-    <td>X1:2</td>
-    <td>
-     2
-    </td>
-    <td>X2:2</td>
-   </tr>
-   <tr>
-    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w2" height="6">
-     <table cellspacing="0" cellborder="0" border="0">
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffffff" border="0"></td></tr>
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
-     </table>
-    </td>
-   </tr>
-   <tr>
-    <td>X1:3</td>
-    <td>
-     3
-    </td>
-    <td>X2:3</td>
-   </tr>
-   <tr>
-    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w3" height="6">
-     <table cellspacing="0" cellborder="0" border="0">
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffffff" border="0"></td></tr>
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
-     </table>
-    </td>
-   </tr>
-   <tr>
-    <td>X1:4</td>
-    <td>
-     4
-    </td>
-    <td>X2:4</td>
-   </tr>
-   <tr>
-    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w4" height="6">
-     <table cellspacing="0" cellborder="0" border="0">
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffffff" border="0"></td></tr>
-      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
-     </table>
-    </td>
-   </tr>
-   <tr><td>&nbsp;</td></tr>
-  </table>
- </td></tr>
-</table>
-> fillcolor="#FFFFFF" shape=box style=filled]
-}