(iv) CREST in NCI mode, but with 14 instead of 6 MTD runs in each cycle, invoked with the -nci and -nmtd 14 keywords (NMTD-NCI) (v) CREST in NCI mode, but with the automatically generated constraining potential scaled to a smaller size, invoked with the -nci and -wscal 0.6 keywords (WSCAL-NCI) (vi) CREST in NCI mode, but with 14 MTD runs per cycle and a scaled constraining potential, invoked using the -nci, -nmtd 14, and -wscal 0.6 keywords (BOTH-NCI)