Solves this type of Puzzle
Come up with an algorithm (or function) to map each number to its cartesian coordinate. So 1 is (0,0), 14 is (2, 1), etc.
iex -S mix
iex>SpiralSolver.run
Or you can give it an integer and it will solve for that ending integer. As is it defaults to 25
iex -S mix
iex>SpiralSolver.run(100)