2) Concerntrate on the central area, find a way out from the left bottm corner and push central top box down. You make a way!
3) Now, we can clean upper right area first. Just push in and you can find the first box to move easily.
4) Let's fill up left side column first.
5) Now push box at right side like this, then we can make a way to finished them.
6) And then like this.
7) You can then push one more box out.
8) After pushing the other at right side, we can clean the central part. It is not hard to make this pattern.
9) Push one by one using the upper right area and easily fill out one column. Now the second tricky point is here: place one box at the position like this:
10) Cleaning the others boxes in care (push 2 boxes in right hand side one step up first), you can clean until like this:
11) Now you can fill out the top one like this first:
12) Then easy complete!
