public long part_two(string input)
{
var simulation = new GameOfLife(input.CharPixels().Grid(ch => ch == '#'));
simulation.AddRange(new[] { Point.O, new Point(0, 99), new Point(99, 0), new Point(99, 99) });
for (var step = 1; step <= 100; step++)
{
simulation.NextGeneration();
simulation.AddRange(new[] { Point.O, new Point(0, 99), new Point(99, 0), new Point(99, 99) });
}
return(simulation.Count);
}
