I just had 2 games versus such formation. In first one I've choosed to play 3N-1-4-1-1 and after first half I was loosing 2-0. I switched to 4-1-2n-1-2 and offensive and game ended with my team loosing 4-2.
In a rematch I've played 4-1-3N-1-1 middle and won 4-0.