The cache is at the following location.
N37 2A.BCD0 W121 5E.FGH
3 + H = 4
7 + G = 11
2 + F = 10, F + E = 12
A + E = 6
B + 5 = 5, B + A = 2
C + 1 = 2
D + 2 = 8
0 + 1 = 1
Extra information, use as needed.
A + A = 4, A + C = 3, A + D = 8, A + F = 10,
A + G = 6, A + H = 3, B + B = 0, B + C = 1,
B + D = 6, B + E = 4, B + F = 8, B + G = 4,
B + H = 1, C + C = 2, C + D = 7, C + E = 5,
C + F = 9, C + G = 5, C + H = 2, D + D = 12,
D + E = 10, D + F = 14, D + G = 10, D + H = 7,
E + E = 8, E + G = 8, E + H = 5, F + F = 16,
F + G = 12, F + H = 9, G + G = 8, G + H = 5,
H + H = 2, C = H, E = G, 5^B = 1, 5^H = 5
Congratulations to first finder Galileo the cat.
