Firing order for 1990 cutlas supreme 3.1?

Firing order for 1990 cutlas supreme 3.1?
The firing order for a 1990 Oldsmobile Cutlass Supreme with a 3.1liter engine is 1-2-3-4-5-6. When facing the car, the spark plugsare 2, 4, and 6 in the front and 1, 3, and 5 in the back.