GARC Unpacker updated (and posted to the forums); all files should extract, and filename sorting should no longer be an issue now.
Be sure check "Force BIN" and check "Don't Decompress" to ensure all files are extracted correctly. (Picture)
If you have a version of XYTE that has "Fix Filename Sorting" at the bottom, be sure to leave it UNCHECKED.
a/0/3/9 should pertain to trainer class data. 16 bytes, possibly related if one wanted to modify trainer classes?
Nice tool