October 27–November 2, 2009
Solve the following cryptarithm. Each letter D, I, B, O, T, U, R, and N stands for a different digit 0-9.
BOB/DID = .TURNTURNTURNTURN...
[I'm not sure why Bob is spinning like a top—or even who Bob is! :)]
Greg Rudzinski had the following insight for why Bob is spinning like a top: "I think BOB is a very confused palindrome trying to make a left in San Francisco ;-)"
List of solvers
Logan Sailer, Huy Hoang-Nguyen, Brian Chinn (undergrad); Lincoln Atkinson, Congpa You, Steve Wilmarth, Lloyd Sakazaki, Qiyuan Wei (outside).
Period 4 Calculus at Tacoma School of the Arts (Lilly, Jordan, Grace, Delecia, Amanda, Taylor, and Cyrus Brown) (High School); Mimi Fung, Eui Min Jung, Jonathan Shi, Glenn Bishop, Michael Gostintsev (undergrad); Greg Rudzinski, Neal Johnson, Mukund Tirumalai, Isaac Abraham, Walter (outside).
Brian Chinn wins the prize! Also, the period 4 calculus group gets an unofficial ice cream prize (if they make a trip to the UW to claim it)!