The cache is not at the posted coordinates.
The top triangle contains a 10-word sentence(I go out wi...). Each of the 10 words has a length that is equal to it's position within the sentence.
Unscramble the top triangle and use it as a template to unscramble the bottom triangle.
I
U O
T T W
T S E H
T I W I B
E L E T S I
O G O R E U E
T T A V S H O W
T R N T O N A C H
O O I N N L N I U G
45
171 45
21 300 300
78 6 171 6
21 120 6 171 231
Congratulations to first solver and finder AliceInDilbertland.
