Here's a randomly filled in NCAA Men's Basketball Tournament bracket. If you don't like this one, press reload for another. It's currently set to use the initial pairings for the 2010 tournament. Each game is chosen randomly as follows: if the two teams involved are seeded 'x' and 'y', then Pupset = min(x,y) / (x+y). (See note.)
FINAL FOUR
=================
+-( 1)-Duke------------+
+-( 1)-Duke------------+
+-( 7)-Clemson---------+ |
+-( 1)-Duke------------+
+-( 2)-Kansas St.------+ |
+-( 1)-Kansas----------+
+-( 1)-Kansas----------+
Salt Lake City Regional
=================
+-( 1)-Syracuse--------+
+-( 1)-Syracuse--------+
+-(16)-Vermont---------+ |
+-( 1)-Syracuse--------+
+-( 8)-Gonzaga---------+ | |
+-( 9)-Florida St.-----+ |
+-( 9)-Florida St.-----+ |
+-( 5)-Butler----------+
+-( 5)-Butler----------+ | |
+-( 5)-Butler----------+ | |
+-(12)-UTEP------------+ | | |
+-( 5)-Butler----------+ |
+-( 4)-Vanderbilt------+ | |
+-( 4)-Vanderbilt------+ |
+-(13)-Murray St.------+ |
+-( 2)-Kansas St.------+
+-( 6)-Xavier----------+ |
+-(11)-Minnesota-------+ |
+-(11)-Minnesota-------+ | |
+-( 3)-Pittsburgh------+ |
+-( 3)-Pittsburgh------+ | | |
+-( 3)-Pittsburgh------+ | |
+-(14)-Oakland---------+ | |
+-( 2)-Kansas St.------+
+-( 7)-BYU-------------+ |
+-(10)-Florida---------+ |
+-(10)-Florida---------+ | |
+-( 2)-Kansas St.------+
+-( 2)-Kansas St.------+ |
+-( 2)-Kansas St.------+
+-(15)-North Texas-----+
Houston Regional
=================
+-( 1)-Duke------------+
+-( 1)-Duke------------+
+-(16)-Ark.-P.Bluff----+ |
+-( 1)-Duke------------+
+-( 8)-California------+ | |
+-( 9)-Louisville------+ |
+-( 9)-Louisville------+ |
+-( 1)-Duke------------+
+-( 5)-Texas A&M-------+ | |
+-( 5)-Texas A&M-------+ | |
+-(12)-Utah St.--------+ | | |
+-( 4)-Purdue----------+ |
+-( 4)-Purdue----------+ | |
+-( 4)-Purdue----------+ |
+-(13)-Siena-----------+ |
+-( 1)-Duke------------+
+-( 6)-Notre Dame------+ |
+-( 6)-Notre Dame------+ |
+-(11)-Old Dominion----+ | |
+-( 6)-Notre Dame------+ |
+-( 3)-Baylor----------+ | | |
+-( 3)-Baylor----------+ | |
+-(14)-Sam Houston-----+ | |
+-( 6)-Notre Dame------+
+-( 7)-Richmond--------+ |
+-( 7)-Richmond--------+ |
+-(10)-St. Mary's (Ca.)+ | |
+-(15)-Robert Morris---+
+-( 2)-Villanova-------+ |
+-(15)-Robert Morris---+
+-(15)-Robert Morris---+
Syracuse Regional
=================
+-( 1)-Kentucky--------+
+-( 1)-Kentucky--------+
+-(16)-East Tenn St.---+ |
+-( 1)-Kentucky--------+
+-( 8)-Texas-----------+ | |
+-( 9)-Wake Forest-----+ |
+-( 9)-Wake Forest-----+ |
+-( 1)-Kentucky--------+
+-( 5)-Temple----------+ | |
+-(12)-Cornell---------+ | |
+-(12)-Cornell---------+ | | |
+-( 4)-Wisconsin-------+ |
+-( 4)-Wisconsin-------+ | |
+-( 4)-Wisconsin-------+ |
+-(13)-Wofford---------+ |
+-( 7)-Clemson---------+
+-( 6)-Marquette-------+ |
+-( 6)-Marquette-------+ |
+-(11)-Washington------+ | |
+-( 3)-New Mexico------+ |
+-( 3)-New Mexico------+ | | |
+-( 3)-New Mexico------+ | |
+-(14)-Montana---------+ | |
+-( 7)-Clemson---------+
+-( 7)-Clemson---------+ |
+-( 7)-Clemson---------+ |
+-(10)-Missouri--------+ | |
+-( 7)-Clemson---------+
+-( 2)-West Virginia---+ |
+-( 2)-West Virginia---+
+-(15)-Morgan St.------+
St. Louis Regional
=================
+-( 1)-Kansas----------+
+-( 1)-Kansas----------+
+-(16)-Lehigh----------+ |
+-( 1)-Kansas----------+
+-( 8)-UNLV------------+ | |
+-( 8)-UNLV------------+ |
+-( 9)-N. Iowa---------+ |
+-( 1)-Kansas----------+
+-( 5)-Michigan St.----+ | |
+-(12)-New Mexico St.--+ | |
+-(12)-New Mexico St.--+ | | |
+-(12)-New Mexico St.--+ |
+-( 4)-Maryland--------+ | |
+-(13)-Houston---------+ |
+-(13)-Houston---------+ |
+-( 1)-Kansas----------+
+-( 6)-Tennessee-------+ |
+-( 6)-Tennessee-------+ |
+-(11)-San Diego St.---+ | |
+-( 6)-Tennessee-------+ |
+-( 3)-Georgetown------+ | | |
+-( 3)-Georgetown------+ | |
+-(14)-Ohio------------+ | |
+-( 2)-Ohio St.--------+
+-( 7)-Oklahoma St.----+ |
+-(10)-Georgia Tech----+ |
+-(10)-Georgia Tech----+ | |
+-( 2)-Ohio St.--------+
+-( 2)-Ohio St.--------+ |
+-( 2)-Ohio St.--------+
+-(15)-UC Santa Barb.--+