It doesn't really make much of a diference really. It should just be a bit harder because you have less you can do (everytime you touched those planets the volcano underneath would destroy the one you touched it with, therefore it's not only floating, but you don't use up as much.
EDIT: And it makes the wall impassable because you can't reach far enough to go through it. So therefore it's significantly easier.
EDIT: See, I did it the normal way and got 0 moves exactly though, I needed it lower, but you get the point.
EDIT: And it makes the wall impassable because you can't reach far enough to go through it. So therefore it's significantly easier.
EDIT: See, I did it the normal way and got 0 moves exactly though, I needed it lower, but you get the point.