starting
round 0 trimming to 12 trying 4peak model... converged. score:  134797248.05048
round 1 trimming to 17 trying 4peak model... converged. score:  134716401.197328
round 2 trimming to 22 trying 4peak model... converged. score:  134802484.524294
round 3 trimming to 27 trying 4peak model... converged. score:  143190623.999057
done