[graphviz-interest] edge positioning (separation)

I'm trying to build some graphs.
My biggest problem right now is that edges love each other too much so they
stick together.
I've tried the portPos attribute for nodes when writing an
edge<http://www.graphviz.org/doc/info/attrs.html#k:portPos>
.
However, there are not enough ports. In my real-case I have a lot more
edges going into a single node and their
heads start overlapping, and not just the heads of the edges overlap but
also the edges themselves.

How can I separate this edges?
Here's the actual real thing I'm using graphviz
for<http://i.imgur.com/rgYxB7G.png>
.
I want to keep things simple but you can see the bottom red node is quite
overwhelmed with edges that are overlapping themselves.
How can I do this. Please also provide an example.

Thank you,
Stefan

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