In the Edit batch screen you may right-click and choose from a list of actions. Ungrouping and Grouping are useful tools. A pattern with 2 or more raw material lengths (RML) will need to be ungrouped before moving or editing the patten.
The video shows how to Split Group into approximately half. A group of 5 RML becomes two groups of 2 and 3. Or Ungroup and it is converted to single RML patterns. Once you are satisfied you may also Group All, or Group Contiguous.