Too bad this problem number has a '5' in it! :-)
Any suggestions on my brute force method?
sorry, I added a couple of test cases to discourage this sort of solutions
Angle between Two Vectors
Convert a vector into a number
Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Clockwise or Counterclockwise
Five steps to enlightenment
One track five lanes
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