The number of spots on the faces of a normal die are 1, 2, 3, 4, 5, 6.
Here is an unusual pair of dice. One has the following number of spots on its faces:
1, 3, 4, 5, 6, 8
The other has:
1, 2, 2, 3, 3, 4
Obviously, these are not ordinary dice. The problem is to find out what is...