Draft: BToPi0Pi0 and hhh(h) pi0 lines
A re-start of !2941 (comment 8547080) since it's too long ago and too many conflicts between the old branch and the current bnoc_run3 branch.
A re-start of !2941 (comment 8547080) since it's too long ago and too many conflicts between the old branch and the current bnoc_run3 branch.