Cache is not at the listed co-ordinates, and you must not go there, but identifying it may give a subtle hint. The numbers below should help.
77417 96633 12586 33125 82586 33163 31149 79677 41633 11491 49633 19021 14979 66331 14963 31902 10777 96902 17741 79679 69021 63310 77336 1258
Deja vu? Yes this is exactly the same as was here previously, I took it in for safety while there were works going on, but it turned out that was only a couple of days, and I forgot to re-enable so it got archived.