How to set a particular group to double wrapping column

Hi Walter,

I am trying to align nodes in a particular group with two columns by five rows for example. However, the node “text for twoB” is not horizontally aligned based the method you provided above.

Thank you.

Brian

Update:

Well, my problem is actually regarding the diagram’s size tend to decrease once there are more nodes added to it. It is later solved with dynamic height diagram