starting
round 0 trimming to 9 trying 4peak model... converged. score:  106085864840.139
round 1 trimming to 14 trying 4peak model... converged. score:  73884793319.6319
round 2 trimming to 19 trying 4peak model... converged. score:  40956269750.1548
round 3 trimming to 24 trying 4peak model... converged. score:  38377686321.8143
done