N ED°CA.0EF W D°CA.B0E
A=The number of faces on the carved stump.
B=The second digit in the year featured on the wall.
C=The number of gates leading to field -1.
D=The number of trunks on the carved gate -1.
E=The number of gates leading to the hall + the number of gates leading to the field.
F=The third digit in the year featured on the wall -2.
Replaced the non-underlined letters or numbers with the number you get from the from the information next to that letter.
Once have done this go to the co-ordinates you wil have made and then look at the hint to help find the container