It was the spring of section, it was the winter of blocking, we had wall before us, we had door before us.
It was the spring of separate, it was the winter of region, we had all before us, we had some before us.

A barrier is door and sometimes wall.
A close is some and sometimes all.

It was the spring of q1o, it was the winter of q1s, we had q1e before us, we had q1r before us.
It was the spring of q1o, it was the winter of q1s, we had q1e before us, we had q1r before us.

A q1n is q1r and sometimes q1e.
A q1n is q1r and sometimes q1e.