Float Edge Expected

There should be two blue floats in each of the three columns below, L's should float to the left, and R's should float to the right.

First
First
First
First

L1

R1 First
First
First
First
First
First

L2

R2 Second
Second
Second
Second
Second
Second
Second
Second
Second
Second

Third
Third
Third
Third
Third
Third
Third
Third

L3

R3 Third
Third