From number 11, turn right to continue along Lewis Road. At the listed coordinates, you will find a memorial stone. Mrs Clara Willis May ABCD.
To find the final location:
N51 24.(D/C) (C-A) (B-C)
E000 21. (C-A-A) (C-A) C
Check sum of all digits = 34
You are looking for a camouflaged film cannister. Once found, you can either retrace your steps to go back out onto Lewis Road and then turn right and back to the shops or continue through the wooded area and either out into Lesley Close or Haven Close both of these will bring you out onto Istead Rise and back to the shops.