Domain: geography (Route Planning and Navigation)
Problem: An elderly gentleman using a wheelchair needs to transfer from the Ginza Line (bound for Asakusa) to the Fukutoshin Line (bound for Yokohama). He cannot use stairs or escalators. Since his wheelchair has limited capability to turn left, please help select a route that requires the fewest 90-degree left turns. Additionally, please calculate the total number of left and right turns required (excluding maneuvers inside elevators).
Answer: 3 left, 8 right