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      <control date="Sat Mar 30 07:03:33 2013"
               level="3">
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                         size="3364613"
                         time_creation="Thu Mar 28 00:54:01 2013"
                         time_modification="Fri Mar  1 00:02:03 2013" />
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          <mask elevation="03 degrees"
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          <mask elevation="10 degrees"
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          <mask elevation="15 degrees"
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</QC>
