Correlated pairs
Chapters 47 and 86 along with their verses 38 and 17 have complementary ties as illustrated in the top equation. Furthermore, 86 is the 47th OP and 38th OV! (see Glossary).
The middle arrow shows additional ties between 86 and its 17 verses via parity. From 17 to 86 the 29 OV chapters span 1709 verses. We recognize the latter as the sum of the 14 declarations in the 29 initialed chapters. The correlation with 38 is further reinforced as the latter is initialed with 29 Saads and that 2938 is the FV span from 19 to 86! Regarding 17 and 38, we make the following interesting observation: among the base verses and their multiplicities in ascending order, from relative position 17 to relative position 38, the corresponding chapters sum to 1786!
Similarly, as 29 links to 38, itself, verses of 47, the last arrow exhibits a dual symmetric counterpart in the pair 29 and 47. Up to base verse 29, in ascending order, the corresponding 48 chapters and their verses sum to 4738! Note, 29 is also the verses of 48.