POWER OF ATTORNEY
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POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints Carl W. Struby as his true and lawful
attorney-in-fact and agent and in his name, place and stead, to sign and
file any or all reports on Form 3, Form 4, Form 5, Schedule 13-D,
Schedule 13-G, and Form 144), and any amendments thereto,
required or permitted to be filed or signed by him under the Securities
and Exchange Act of 1934, as amended, or the Securities Act of 1933,
and to file the same, with all documents required or permitted to be filed
in connection therewith, with the Securities and Exchange Commission,
granting unto said attorney-in-fact and agent full power and authority to
do and perform each and every act and thing requisite and necessary to
be done in and about the premises as fully to all intents and purposes he
might or could do in person, hereby ratifying and confirming all that
said attorney-in-fact and agent may lawfully do or cause to be done by
virtue hereof.
Dated: May 9, 2013
/s/ Cloud L. Cray, Jr.
Cloud L. Cray, Jr.