This is a quick, 2 stage multi between two parking lots. Both of these businesses can be quite busy with muggles during daytime hours. Please us an extra measure of stealth while searching for this cache. Also, please return container where you found it.
It's best to approach gz from the north.
At GZ you are looking for 5 orange characters, 4 numbers and 1 letter. Disregard the letter. Assign A thru D to each of the numbers, left to right. Then, solve for the last 3 digits of both north and west coordinates.
North:
C + D =
B + D =
A ÷ 2 =
West:
A + B + C - D =
C + A =
B + C =