How do you complete level 68 in 100 doors?

You have to move all the weights to the right side. You can only put smaller weights on top of bigger ones. Move the weights like this: (1 is the left pole, 2 is the middle pole, 3 is the right pole)

1 2, 1 3, 2 3, 1 2, 3 1, 3 2, 1 2, 1 3, 2 1, 2 3, 1 2, 3 1, 2 1, 2 3, 1 2, 1 3, 2 3

See related link below for screenshots