These files are currently poorly documented, but perhaps the cognoscenti can make some sense of them. More explanation forthcoming.
Disclaimer: this is work in progress; I stand by most details but can't rule out some errors. In particular: there may be signs wrong in some stable sums.
Here are some pictures of the cell and orbit graphs.
Both G and Gv quasisplit (i.e. block of the trivial representation on both sides):
Some other blocks: