How do you beat level 3 on spladder

first pause un-till the rat turns the bridge off and on, then you run across the bridge. Jump on the platform and then jump on the floor on top of the rat. run across while pushing the box . when the rat turns on the bridge run across it with thebox. push the box into the hole to turn on the other bridge.but when your pushing the box into the hole dont jump in.jump ACROSS the hole and run to the next level.