The solution to today’s escapology problem

In my puzzle blog earlier today I set you the following puzzle:

Imagine you are in a grid 100 squares long and 100 squares wide. (The grid is fixed to the compass directions: up/down is N/S, and left/right is W/E.) On each square of the grid, there’s an arrow. Each arrow is pointing either N, S, W or E.

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Read More Did you solve it? I’m a mathematician, get me out of here!

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