Need help in Level 6 (Power Station)

[Arxel]

ok... I have end game once, but I miss one artefact.. Now i have got problem :/
There are three levers, each one open up one passing and get down two other... I do it - the ball go to the end, but now I can't pass it... In first time I was push lovers randomly, but now I can't solve it!
Please, help :/

edit:
hahahahaha.. My momery is awesome..
Solved it! lool
I've been sitting more than hour and trying solve that damned levers but it impossible