use Spreadsheet::WriteExcel;
use Excel::Writer::XLSX;

##</code><code>##

A              B           C       ...
User          block        ...
user1         blockA       ...
user2         blockB       ...
user1         blockB       ...
user2         blockC       ...

##</code><code>##

A              B           C       ...
User          block        ...
user1         blockA       ...
user1         blockB       ...
user2         blockB       ...
user2         blockC       ...