The only way i would know, is a bit more long winded, but will work.
I would do a simple form, then have a procedure that then takes the first record, then every 12th records after and using a append query, update a table with what is displayed on the form.
It should happen so fast, you will not see it happening...
Sorry i can not offer a shorter answer...
Or if you like copy and paste, but it may take you some time...