The true location is given by N 50 50.ABC W 000 55.DEF where
A = Fitzroy minus Humber
B = Wight minus Cromaty
C = Rockall minus Portland
D = Plymouth minus Tyne
E = Fastnet minus Sole
F = Dover minus Dogger
A correct solution of this puzzle will give you a checksum (total of all 15 digits) equal to 61
In order to avoid any confusion, please note that Trafalgar is not always on the main list and can be ignored for the purposes of this puzzle
I do apologise for the small size of this cache container, but a bigger one simply wouldn’t fit in at this location!
There is only enough room for very small swaps and coins.
Please bring along your own pen/pencil.