9:32

Proof of Fermat's Little Theorem

19:20

Application of Burnside Lemma - Regular Hexagon

12:39

Burnside's lemma: counting up to symmetries

39:30

A Diophantine equation (1991 IMO Shortlist Problem)

35:21

Rotational Symmetries of the Platonic Solids

3:33

Rotational Symmetry of a Cube (Physics)

42:50

Polya Theorem (Part 1)

8:55

Direct Products of Groups (Abstract Algebra)