starting
round 0 trimming to 15 trying 2p peak model... converged. score:  149214578733490
round 1 trimming to 20 trying 2p peak model... converged. score:  149239560514399
round 2 trimming to 25 trying 2p peak model... converged. score:  149262140784646
round 3 trimming to 30 trying 2p peak model... converged. score:  149249933645673
done