I didn't solved it yet so I can't rate it right now. But I really appreciate the mechanism. I do love such stuff!
Enjoyable and yeah, a bit dizzying. Lol. I would have wanted a bit more difficulty in getting to the win, like a dangerous clock hand that I have to avoid every now and then, because but as it is, B just lets himself get carried away most of the time. But over all this is a frigging good level.