User blog comment:SuperSpruce/Proposed fix to T array function to make it work past Gamma 0/@comment-36984051-20190623153224/@comment-36984051-20190626014810

Addition is encoded by nesting the first entry.

ζ_0+ε_1+ε_0+ω^ω+ω+2 is encoded by

[[[2],[0,0,1],0,2],0,0,1]