It can go between 1,2,3,4,5,6
It can be given to 1 and 2
It can be given to 1 and 3
It can be given to 1 and 4
It can be given to 1 and 5
It can be given to 1 and 6.
It can be given to 2 and 3
It can be given to 2 and 4
It can be given to 2 and 5
It can be given to 2 and 6
It can be given to 3 and 4
It can be given to 3 and 5
It can be given to 3 and 6
It can be given to 4 and 5
It can be given to 4 and 6
It can be given to 5 and 6.
So 15 if that is on the test.