STAGE ONE - MEMORIAL
A = How many gate/s into the memorial?
How many spike finials on one half moon?
C = this number minus 5
Z = how many locks on the gate/s?
STAGE TWO - SMALLER CAIRN
Date on Battle cairn is * W - * * - * B * Y
Erected by the X X * D Association
Where X = add the two numbers together.
FINAL CACHE N56 1A.BCD W003 5W.XYZ