About the Authors

Brian Skinner

skinner1@mit.edu (BS); sjguy@cs.umn.edu (SJG)

Affiliations Fine Theoretical Physics Institute, University of Minnesota, Minneapolis, 55455 MN, United States of America, Massachusetts Institute of Technology, Cambridge, 02139 MA, United States of America

Stephen J. Guy

skinner1@mit.edu (BS); sjguy@cs.umn.edu (SJG)

Affiliations Department of Computer Science, University of North Carolina at Chapel Hill, 27599 NC, United States of America, Department of Computer Science and Engineering, University of Minnesota, Minneapolis, 55455 MN, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BS SJG. Performed the experiments: BS SJG. Analyzed the data: BS SJG. Wrote the paper: BS SJG.