User blog comment:BasakaNZ/Thoughts and musings on effective ship levelling/@comment-27.134.130.18-20140615002920

I'm not so sure about 4-3 for level grinding; I just unlocked it and in 5 runs have yet to be directed to anything but J, where my ships take not-insignificant damage.

Does something about the recommended setup make node F more frequent, or is it just a completely random compass roll between F/J?