2) Then, go back to your right side, you should find a way going up.
3) Push down the center box one step down so as to give a way to top area. You can then push the right most box up in order to clear the right bottom area.
4) Push down the left red box to right bottom area in order to make a way to left area to the center.
5) Push the left most box to the center. You can find many free space now!
6) Move the right bottom box to the left bottom. I think you know how to do it.
7) Push the center one towards the right 2 step. Go to the left top area, push one of it to right side.
8) Clean up the right top area.
9) Push the two boxes at left bottom to the two left most position. REMEMBER to push the box 1 step down at left bottom side before you place the other box to it's position.
10) It is not hard to guess how to finish it!
