What are the odds of filling out a perfect March Madness bracket?

I work best on a deadline so I start projects close to their due date.

A.) 1 in 9.2 trillion

A.) 1 in 9.2 trillion

I work on the tasks that I enjoy most first.

B.) 1 in 9.2 billion

B.) 1 in 9.2 billion

I work on the tasks that I enjoy most first.

C.) 1 in 9.2 gazillion

C.) 1 in 9.2 gazillion

I work on the tasks that I enjoy most first.

D.) 1 in 9.2 quintillion

D.) 1 in 9.2 quintillion