str University
str Of
str Arizona
list 3
sort
str Wilbur Wildcat
str Wilma Wildcat
list 2
sort
list 2
sort
dstack2 After sorted list of sorted lists
int 23
int 99
int 100000
int -4321
str Tennis
str Soccer
str Tucson
str Bear Down
list 9
//dup
sort
dstack2 After overall sort