The 2012 NCAA Tournament bracket officially started on Tuesday night with a pair of games in the "First Four" division of the bracket featuring wins by the Western Kentucky Hilltoppers and BYU Cougars as they eliminated the Mississippi Valley State Delta Devils and Iona Gaels, respectively.

On the downside, that means the bracket everyone printed out earlier this week is already outdated. On the bright side, the team at SB Nation headquarters has already updated their bracket to include the changes!

Here's the 2012 NCAA Tournament printable bracket, updated through March 13.

That bracket will be updated once again on Thursday morning, better known as the best day in college basketball, since there are two more play-in games on Wednesday night: the Lamar Cardinals will play the Vermont Catamounts followed by the California Golden Bears matching up with the South Florida Bulls.

For more insight on the tournament, check out SB Nation's Youtube channel as they have more analysis featuring experts than you can probably shake a stick at!

And the West:

For more on the 2012 NCAA Tournament bracket, stay with SB Nation's Selection Sunday StoryStream, and stick around SB Nation's NCAA Tournament hub for a complete printable NCAA Tournament bracket and tons of analysis on who was snubbed, who got the best bracket, and who will make it all the way to New Orleans and the Final Four.