starting
round 0 trimming to 10 trying 4peak model... converged. score:  264494231.96864
round 1 trimming to 15 trying 4peak model... converged. score:  263185649.971863
round 2 trimming to 20 trying 4peak model... converged. score:  236686046.321763
round 3 trimming to 25 trying 4peak model... converged. score:  179044535.185591
done