How do you complete phit level 12?

1: First you put the bar of 3 in the bottom of the right hand corner.

2: Next you put all three of the 2 square bars next to that on the bottom.

3: Then you put down the long "L" shaped bar in the bottom left hand corner.

4: After you put the stair shaped bar in between the three bars of 2 and the long "L" shaped bar.

5: Lastly you put the small "L" shaped bar against the stair shaped bar.

6: Finally you put in the last piece and move on.