patrickcarver

A few notes:
* The `lines` parameter is a list of text like [".L.L", "LLL.", etc.].
* Nothing special with starting the indexes at one, just a preference I have.
* The `parse_square('#')` pattern match is handy in debugging, but not needed for the initial input.

```elixir
# lines is a list of text like [".L.L", "LLL.", etc.]
def create_grid(lines) do
  for {line, y} <- Enum.with_index(lines, 1), 
      {square, x} <- Enum.with_index(String.graphemes(line), 1),

patrickcarver

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