This cache is NOT at the listed coordinates.
To find this cache you must first complete the 10 stage "Australind Bunbury Tourist Drive 260" Adventure Lab.
At some of the stages of the Adventure Lab the numeric answers will provide clues to find the final location of this cache using the formula listed below.
Cache can be found at S33 1 (B) . (X) (A) (T) E115 4 (Y-S) . (V-G-H) (Z-M) (L)
The link for the adventure lab is here.