Boilie for the left rod....
Boilie for the right rod....
Boilie for the middle rod*....
I must confess to being more of a 'watercraft and location' angler as opposed to a 'bait' angler. However, I've had my fair share of success on 15mm Source boilies and have had some good initial success on one water with Mainline Fruit Bursts this season and intend to give them a good go.
Mike.
*The above post is, in fact, a lie as I only ever use two rods