This is the bonus cache for the Queanbeyan Riversdide Cemetery, parts 1 & 2, Adventure Lab.
Part 1 is here https://adventurelab.page.link/MvaA
Part 2 is here https://adventurelab.page.link/prjx
You will need to complete both AL's to calculate GZ.
S 35 20.(A-F)(F-2xD)(A-F-D)
E149 14.(C-E)(2xC-2xB)(E-B)