It’s your first day of classes at the University of Chicago. Tucked into your crisp new notebook is a schedule—but how to decipher its mysterious runes? What, in the name of William Rainey Harper, is K 120? And how is W different from WB?

Your challenge: Match the campus building’s abbreviation to its photo—and make it to class on time. (Need a hint? You can find full names for each building below. NB: One archway leads to two buildings.)

• BSLC
• C
• CL
• H
• K
• KPTC
• S
• SS
• W
• WB

Full names: Biological Sciences Learning Center (BSLC); Cobb Lecture Hall (C); Classics Building (CL); Haskell Hall (H); Kent Chemical Laboratory (K); Kersten Physics Teaching Center (KPTC); Swift Hall (S); Social Sciences Research Building (SS); Walker Museum (W); Wieboldt Hall (WB).

Answer key: 1-KPTC; 2-W; 3-H; 4-C; 5 (right)-CL; 5 (left)-WB; 6-K; 7-BSLC; 8-S; 9-SS