This is a Bonus cache för Adventure "Tullboden Walk"
The cache is not to be found on the published coordinates.
To play you’ll first need to download the app Adventure Lab and then follow the link https://labs.geocaching.com/goto/Tullboden
Gather the numbers from the Adventure Lab and calculate:
N 58° 21.XZY' - X= C+E, Z= B, Y=A+D
E 11° 20.XZY' - X=D, Z=B-D, Y= A
To play you’ll first need to download the app Adventure Lab and find the Lab Cache Tullboden Walk
https://labs.geocaching.com/goto/Tullboden