starting
round 0 trimming to 10 trying 4peak model... converged. score:  1141067189.27313
round 1 trimming to 15 trying 4peak model... converged. score:  1140414862.74338
round 2 trimming to 20 trying 4peak model... converged. score:  1131579559.43164
round 3 trimming to 25 trying 4peak model... converged. score:  1124702919.62465
done