starting
round 0 trimming to 15 trying 2p peak model... converged. score:  149501449167819
round 1 trimming to 20 trying 2p peak model... converged. score:  149512440819790
round 2 trimming to 25 trying 2p peak model... converged. score:  149511739137029
round 3 trimming to 30 trying 2p peak model... converged. score:  149528152600474
done