The other routes would have required the fleet to sail east around Japan.

However, this route is through remote country and requires wild camping.

The route from the next-to-last fence to the final one required a 180-degree turn.

This route is more demanding and requires at least one night of camping.

Before the E.412's were introduced, the route required three locomotive changes.

This route is rather more challenging and requires sure footing.

Unusually the route would not require the demolition of any property.

They could deal with the question of how many routes through those 22 points require less than a specific distance.

The route required the expropriation of less than 25 properties.

This route is more difficult and requires 6-7 hours to reach the summit.