What should I do with the waves?

Hint 1 of 9:

Those waves look a bit choppy.

Hint 2 of 9:

They even look a bit unnatural.

Hint 3 of 9:

Real waves would flow together a bit more smoothly than the ones here.

Hint 4 of 9:

That's what you need to do -- make the waves flow together smoothly.

Hint 5 of 9:

Try moving your cursor over the waves.  Notice that they stop?

Hint 6 of 9:

And if you click on a section of waves (they're in a 3x3 grid), it will
advance one step.

Hint 7 of 9:

All you need to do is position the waves so that they're all in sync with
each other.

Hint 8 of 9:

The three squares in a row should flow together, and when a wave leaves one
row, it should start to appear on the next row.