The cache is not at the posted coordinates.
Many of my puzzles are considered a bit "off-center." So I chose to do one that is, by design, way off-center. You just need to follow the path.
left of center
-4, 5, 2, -4, -5, 3, 5, ①
right of center
①, 1, -1, 4, -1, -3, 0, 2
Congratulations to first finder atc.
