diff --git a/kallithea/lib/graphmod.py b/kallithea/lib/graphmod.py
--- a/kallithea/lib/graphmod.py
+++ b/kallithea/lib/graphmod.py
@@ -112,7 +112,7 @@ def _colored(dag):
 
         # Add unknown parents to nextrow
         tmprow = row[:]
-        tmprow[col:col + 1] = addparents
+        tmprow[col:col + 1] = reversed(addparents) # higest revs first (to the right), dead ends last (to the left)
         # Stop looking for non-existing ancestors
         nextrow = []
         for r in tmprow: