Not at the above coordinates.
A
BC
DEF
GHJK
The cache may be found at:
N 51 11.X
W 000 37.Y
Where
X= (D+B+B) (K) (J-H)
Y= (C+J-G-H) (A) (E-6)
Chmmyr: Guvf chmmyr vf nobhg n fcrpvny glcr bs ahzore - gur pyhr vf va gur gvgyr.
Pnpur: gbc bs fgrcf ba gur yrsg nf lbh nfpraq, orjner bs oenzoyrf. Nccebnpu sebz orybj.