User blog comment:GamesFan2000/Levelled Array Notation (Two Entries and Three Entries)/@comment-32697988-20181123114200/@comment-37246647-20181125022350

I mean like this:

3>>3>>3 = 3>>(3>3>3)

When I say solve the single right-arrows as if they were individual, I mean to essentially ignore the other arrow groups and solve the single arrow chain first. Once you're done, you put the answer at the end of the last arrow group before the single arrows. In essence, it works just like Knuth's up-arrow notation, but is much more powerful.