*The reference coordinates are not to be used as the cache is NOT hidden there*

Cache to be found in 13 steps:-
Solve all 12 of the 5 letter words. ONLY ONE LETTER GETS CHANGED PER RUNG OF THE LADDER. When completed then select the middle letter in each word and add them all together alphanumerically for your answer. Do NOT count the shown beginning and end words (Cache & Found).
N53°55.(Ans+653)W 010°00.(Ans+625)