The figure below shows the possible routes from city A to city J as well as the time (in minutes) required for a trip between each pair of cities (note that if no arc joins two cities it is not possible to travel non-stop between those two cities) . A traveler wishes to find the quickest option to travel from city A to city J. 
What is the time to travel between nodes F and J?
Definitions:
Turning Point
A pivotal moment in time that represents a significant change or shift in direction in historical, cultural, or personal narratives.
World War II Europe
The European theater of World War II, a global conflict lasting from 1939 to 1945 involving most of the world's nations including all the great powers.
Warsaw
The capital and largest city of Poland, known for its resilient history, including significant destruction during World War II and its subsequent rebuilding.
Stalingrad
The Battle of Stalingrad was a pivotal and brutal conflict between Nazi Germany and the Soviet Union during World War II, turning the tide in favor of the Allies on the Eastern Front.
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