starting
round 0 trimming to 11 trying 4peak model... converged. score:  169115831.14402
round 1 trimming to 16 trying 4peak model... converged. score:  202754444.320522
round 2 trimming to 21 trying 4peak model... converged. score:  139038233.644842
round 3 trimming to 26 trying 4peak model... converged. score:  57271215.0050469
done