Jill, who lives in City C, plans to visit 3 different cities, M, L, and S. She plans to visit each city exactly once and return to City C after the 3 visits. She can visit the cities in any order. In how many different orders can she visit the 3 cities?

A. 3
B. 6
C. 8
D. 9
E. 12

Please explain...

Got this question right by doing it the long way. but would like to see it done a little smoother..

thanks.