...Protocols

This research was done while the authors were at Carnegie Mellon University. This publication was supported in part by Contract Number 102590-98-C-3513 from the United States Postal Service. The contents of this publication are solely the responsibility of the author and do not necessarily reflect the official views of the United States Postal Service.

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...cost,

All protocols are sorted after the generation step, since the generation might not generate them in strictly increasing order

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