At the published cord there is a bench, with some words written on the back.
How many O are there? Answer is A
How many S are there? Answer is B
How many R are there? Answer is C
The cache can be found at N52 22.(Ax3+B)C(A+B+C+A) W000 32.B(Cx2+1)(Ax4-1)
Happy Hunting!