If the "b" Division would like to share or transfer their shares, as all or part of it. If the party is a "hit" If you are interested to receive or purchase the "b" Division, the "party" unencumbered by prior to others.
If the "B" preferred shares or transfer of its shares as part or all of it. If the "A" if there is interest to be transferred or buy side "B", it needs to possess the "A" before others.
If the "B". Want to sell or transfer their shares as part or all of it. If the parties. "" if there is interest to transfer or purchase of the "B" is that ownership and "," before the others.