"Billion Dollar Bracket Challenge" deadline Wednesday night

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Your picks could make you a billionaire, but you better act fast.

College basketball fans have until midnight Wednesday to enter Warren Buffett's "Billion Dollar Bracket Challenge."

The billionaire has offered $1 billion to anyone who can fill out a perfect NCAA Tournament bracket. But you have a better chance of winning the Powerball. The odds of getting a perfect bracket are about 1 in 9 quintillion. That's 1 in 9,000,000,000,000,000,000.

If you want to take your shot, just click here to enter.