# Pastebin glTLPo9B
m = Enum.reduce(img.pixels, {%{}, 0}, fn pixel, {acc, index} ->
        x = Kernel.trunc(rem(index, img.width))
        y = Kernel.trunc(index / img.width)

        {IO.inspect{x, y}}

        {
          Map.put(acc, {x, y}, pixel ),
          index + 1
        }
      end) |> elem(0)