Find this etching and count the number of etchings to the left of it and the number of etchings to the right of it . This is A and B.

C, D & E are the numbers in the registration number of the car that is buried in the concrete.
How many panes of glass are used to make the etched and sandblasted feature window? This is F and G.
All the individual numbers should add up to 24.
The cache can be found at the following location:
N 51 27. (B+F) (G-A) (E)
W 02 35. (E) (B) (D+F)
Congratulations to Trolleygranney for another FTF!