Give the output from this code fragment:

int *p1, *p2;

p1 = new int;

p2 = new int;

*p1 = 10;

*p2 = 20;

cout << *p1 << << *p2 << endl;

*p1 = *p2; cout << *p1 << <<

*p2 << endl;

*p1 = 30;

cout << *p1 << << *p2 << endl;