Is it number 14?
No, it isn't
What number is it?
26
What number is it?
13
What number is it?
29
What number is it?
20
Is it number 20?
No, it isn't.
It is number 30?
Yes, it is.
What number is it?
25
Is it number 9?
No, it isn't.
What number is it?
18
Is it number 24?
Yes, it is.