First pressing, with Bobby Martin credited as A side arranger (pressings showing Thom Bell as A side arranger are second-pressings).
On both sides, 1A within runout section is inside a circle for variant 1.
On both sides, 2A within runout section is inside a circle for variant 2.
On the A-side, A3 within runout section is inside a circle for variant 3. On the B-side, 1A is inside a circle for variant 3.