Pro Tip: Tetris 2, Puzzle Mode 30 is a pushover

Tetris 2 is kind of like Dr. Mario with Tetris pieces. You have to line up three in a row to make them vanish. And the goal is to make the spheres disappear. And as bad as I am at the Puzzle Mode in most games, I was pleasantly surprised to find that the last puzzle in Tetris 2 was pretty easy to solve.

Okay, take a look at this:

Looks pretty tough until you remember that if you get six blocks of the same color in a row then all the blocks of that color on the screen disappear.

Armed with this knowledge, place the first piece here:

The second piece here:

And the third piece here:

This will set off a chain reaction:

Then you just put the next piece here:

Another small chain reaction later and:

Boom! Perfect clear!