Known Hashes for Menstral Confusion
<Table Width="40%">
<TR><TH Align="left">Run Dates</TH><TH Align="left">Hash #</TH></TR>
<TR><TD>2001-06-28</TD><TD>36</TD></TR>
<TR><TD>2001-04-26</TD><TD>27</TD></TR>
</Table>