Yes, it's absolutely random.

Pythagoras: Shortly, what's your point? I am too tired to understand what you want me to do.

Daniel Snyder: 3, 5, 7, 9.

BIG BAD WOLF: I think it's the same problem as with the classic Five in Line. But since this game is almost unknown, I am afraid nobody created a more balanced variant yet. It requires some experiments and analysis [which is what I have no time for].