diff --git a/Untitled Diagram.drawio b/Untitled Diagram.drawio
new file mode 100644
index 0000000..fcd67a8
--- /dev/null
+++ b/Untitled Diagram.drawio	
@@ -0,0 +1,33 @@
+<mxfile host="app.diagrams.net" modified="2021-03-26T10:02:07.267Z" agent="5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36" etag="cgPhAebpfIbqQIw2opbb" version="14.5.1" type="github">
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+      <root>
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+        <mxCell id="1" parent="0" />
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+          <mxGeometry relative="1" as="geometry">
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+        <mxCell id="kwHS4sfSBA9c8D4gTHH7-2" value="water &amp;gt; 120cm" style="rhombus;whiteSpace=wrap;html=1;" vertex="1" parent="1">
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+        <mxCell id="kwHS4sfSBA9c8D4gTHH7-7" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" edge="1" parent="1" source="kwHS4sfSBA9c8D4gTHH7-5" target="kwHS4sfSBA9c8D4gTHH7-2">
+          <mxGeometry relative="1" as="geometry" />
+        </mxCell>
+        <mxCell id="kwHS4sfSBA9c8D4gTHH7-5" value="Start" style="rounded=1;whiteSpace=wrap;html=1;" vertex="1" parent="1">
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+        <mxCell id="kwHS4sfSBA9c8D4gTHH7-9" value="can ride" style="rounded=1;whiteSpace=wrap;html=1;" vertex="1" parent="1">
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diff --git a/digram b/digram
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/digram
@@ -0,0 +1 @@
+
diff --git a/org/repo/ref b/org/repo/ref
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/org/repo/ref
@@ -0,0 +1 @@
+