Here is the sample problems spreadsheet.
Attachment:
timesheet.ods
Description: application/vnd.oasis.opendocument.spreadsheet
begin:vcard fn:John McMonagle n:McMonagle;John org:Advocap inc email;internet:johnm@advocap.org title:IT manager x-mozilla-html:FALSE url:http://www.advocap.org version:2.1 end:vcard