A Multi to fill a gap in these woods that I often visit.
At the posted coordinates you will find a blue sign.
On the pole holding the sign are two sets of numbers.
Let the top two (in red) = AB
The Bottom two = CD
The container can be found at N 52 25.AAA E 000 53.B ( (BxC)-A ) A+B+C
This cache adheres to the East of England Forestry Commission guide