SELECT*FROM F group by-2e,4e,2e,4e,4e,2e,4e,2e,4e,2e,4e,4e,2e,4e,4e,2e,2e,4e,4e,2e,4e,2e,4e,2e,4e,4e,2e,4e,4e,2e,2e,4e,4e