Presentations of the Previous Day's Work

Take a look at this case.

 

There are 84 possibilities here.

 

Are you sure?

 

We start with three; then, ...

 

Follow the choices.

 

Starting the Birkhoff-Lewis process, ...

 

Look at the combination along the path here.

 

Compare these two.

 

Look at this simpler case first.

 

Pay careful attention to the color combination.