Sugar Cube 13

1 or 2

2 or 3

One of the two.

Two of the three.

Is planet 3 lighter than planet 4?

3 is lighter than 4 by 1

2 is lighter than 4 by 2

To have 4 is to have 3 and 1

To have 5 is to have 2 with 3

To have 1 and 1 is to have 2.

To have 2 and 1 is to have 3.