Magnetic nano tube, bring your own pen. Simple little offset multi for those enjoying a stroll along the prom.
At GZ, beside the life belt, you'll see a sign saying Sunny Slopes North.
Under that, in red text in a white box is a two-letter, two-digit code.
Convert the two letters to numbers using A=1, B=2 etc and you'll have A and B (A and B are both numbers larger than 10)
The two digits are C and D.
A+B+C+D = 33
The cache is found at N 54.03 (2D)(B-A+D)(2D) W 002 53.(B-A-C)(C)(B-A-C)
Please replace carefully, out of sight.