Here is the 3-2 form:
1 e & a 2 e & a 3 e & a 4 e & a
* _ _ * _ _ * _ _ _ * _ _ * _ _
Here is the 2-3 form:
1 e & a 2 e & a 3 e & a 4 e & a
_ _ * _ _ * _ _ * _ _ * _ _ * _
Here is the 3-2 form:
1 e & a 2 e & a 3 e & a 4 e & a
* _ _ * _ _ * _ _ _ * _ _ * _ _
Here is the 2-3 form:
1 e & a 2 e & a 3 e & a 4 e & a
_ _ * _ _ * _ _ * _ _ * _ _ * _