Wrong labels on JS graph

[ArtPoon]

I was working on making a button so that we can save the SVG generated by d3 for graphs, but I noticed a problem with the labels:

Compare the node numbering, color and labels to this DOT viz:

I'm pretty sure that 1 is gag, 2 is pol and 4 is env.

[horaciobam]

Hmmm ok, I'll investigate!