Thank you to everyone who replied with great answers. We have looked at
the problem in more detail and for the size matrices we will have will a
brute force (try all orders) approach will work and give us the best
answer.


Bill
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		        Biostatistics Consulting Center
		http://ilya.wustl.edu/~shannon/bcc_announcement.pdf


William D. Shannon, Ph.D.

Associate Professor of Biostatistics in Medicine
Division of General Medical Sciences and Biostatistics

Washington University School of Medicine
Campus Box 8005, 660 S. Euclid
St. Louis, MO   63110

Phone: 314-454-8356
Fax: 314-454-5113
e-mail: [log in to unmask]
web page: http://ilya.wustl.edu/~shannon