public static string SolvePart2(IEnumerable <int> input, int width, int height)
{
var image = new Layer(width, height);
var index = 0;
foreach (var pixel in input)
{
var column = index % width;
var row = (index % (width * height)) / width;
image.AddPixelUnderneath(column, row, pixel);
index += 1;
}
return(image.ToString());
}
