10am–noon: Lecture

(1–2 hours) noon–2pm: Free lunch and

group discussion

(1–2 hours) 2pm onward: Student group work

(design and/or

decrypting) Mon., Jan. 22: Class overview, introduction to quipu

Design groups form and start Tues., Jan. 23: History of quipu and its significance

Design groups continue Wed., Jan. 24: Gary Urton lecture

Introduction to cryptanalysis

Design groups present some challenges

Decoding groups begin

Design groups continue Thur., Jan. 25: More on cryptanalysis

Design groups present more challenges

Decoding groups continue Fri., Jan. 26: Student presentations of decrypting progress

Student presentations of encodings

Conclusion and follow-on

Each day will have 1–2 hours of lectures, and 1–2 hours of group discussion over a free lunch. The remaining time each day will be for students to work in groups, either designing new encodings or decoding puzzles posed by other groups. The last day will be devoted to student presentations of their techniques and results.