I was just missing the fact that the keys were sequentially generated as part of the P0, P1, ..., Pn curve.
Aniga shaqsi ahaan waxaan ku sameeyay tijaabadii la filayay in iska caabbinta biyaha mid ka mid ah terminaalkii ugu horreeyay ee bixiyay, Xperia Z, in kasta oo jiilkeedii saddexaad, Xperia Z3.