Department of Computer Science, Harvey Mudd College, 301 Platt Boulevard, Claremont CA, 91711, USA. rzellers@hmc.edu.|Biology Department, Clark University, 950 Main Street, Worcester MA, 01610, USA. rdrewell@clarku.edu.|Department of Mathematics and Statistics, Amherst College, P.O. Box 5000, Amherst MA, 01002, USA. jdresch@amherst.edu.