So this is not symmetric, but this is symmetric. And so the glucose six phosphate is transformed into fructose six phosphate to make sure we get those two identical three carbon molecules in stage two. So you might ask, well if I keep this molecule in the glucose six phosphate stage, what will happen in stage two? Well if we keep it in the glucose, then in stage two we're going to form one molecule that has two carbons and one molecule that has four carbons and that is not symmetric. So that's why we carry out step two. Again, the entire goal in stage one is to prepare that glucose for cleavage which happens in stage two.