diff --git a/tree.dot b/tree.dot
index cc61d06..20c9d5b 100644
--- a/tree.dot
+++ b/tree.dot
@@ -7,6 +7,8 @@ digraph tree {
         C2_new [label="C2"]
         C1_new -> C2_new -> C3
         
+        C3 -> D2_C3_merge
+        
 //         br_master [shape=rectangle; label="master"]
         
     //     br_master -> A1 [style=dashed]
@@ -41,11 +43,11 @@ digraph tree {
     
     subgraph cluster_branching2 {
         label="branching2"
-        D1 -> D2 -> D2_C3_merge
+        D1 -> D2
     }
     
+    D2 -> D2_C3_merge
     A4 -> D1
-    C3 -> D2_C3_merge
 }