This is a bonus Mystery Cache for completing "What a day in interwar Kaunas" Adventure Lab Cache.
What can happen during a day in Kaunas during the interwar period (1918-1939)?
The container is hidden at:
N 54° 54.[185x mod 293]
E 23° 55.[356x mod 499]
The official solution checker can be used to make sure that the final coordinates are accurate.