This is the first of the second-generation Gravity compositions which will utilize non-transposing gravity points (the longer pitch sets in the square boxes). The emphasis here is on symmetry, hence the repetition of 4s and 3s (major and minor thirds). These intervals yield a non-transposing set that duplicates the octave at 12, returning to A in order to re-route back into the piece.
The ascending version of this set (A-C-C#-E-F-G#-A) is basically the “Bitches Brew” scale transposed to A; the descending version incorporates the same intervals going in the opposite direction (A-F#-F-D-C#-Bb-A).