The cache is not at the above coordinates. You will need to crack the code to find the hidden treasure.
544 1310 2734 579 2065 620 2477 2734 541
946 2379 768 768 1310 2051 620 2280 2382 2477
337 293 1803 1338 2876 412 1199 1455 / 18 19 21 12 15. 1406 1793 570 1455 1048 1431 61 110 1386 873 223 2876 965 691 318 544 1793 19 17 1 9 11. 39 520 873 544 61 946 552 873 335 1084.
You can validate your puzzle solution with certitude.