If you want to compare to 2018 it won't help to print either way. All the 1040 lines have changed again from 2018 to 2019. And instead of 6 extra schedules that were new in 2018 now there are just 3 schedules.
Did you look at the blank IRS forms to see the differences?
1040 https://www.irs.gov/pub/irs-pdf/f1040.pdf
1040SR https://www.irs.gov/pub/irs-pdf/f1040s.pdf
