How to do vertical alignment with flexbox?

Question

Flexbox

I need the rows to be evenly distributed in the container and the distance between them to be the same.



I gave the parent element:

.flex01 {
  display: flex;
  flex-direction: column;
  align-content: space-between;
  height: 100%;
}

Answer 1

what should be the result?

Answer 2

Evenly distribute horizontally and vertically with equal indents?

Answer 3

Subsidiaries, I hope, are separate?
flex for children to specify size and/or margin:auto