BrainDrop puzzle all solution -- level 1~3

To see the .swf solution file, you can click this article title.

Game:
http://www.onemorelevel.com/game/braindrop

Game description:

Use the left and right arrow buttons to drop the gold ball down
to the bottom of the rows without dropping any silver balls.

遊戲目的是使用左右方向鍵讓黃色的球掉落，且不讓任何灰色球掉落。