starting
round 0 trimming to 15 trying 2p peak model... converged. score:  554862110122385
round 1 trimming to 20 trying 2p peak model... converged. score:  554844025323422
round 2 trimming to 25 trying 2p peak model... converged. score:  554848108796357
round 3 trimming to 30 trying 2p peak model... converged. score:  554890618812842
done