Runouts: Variant 1 - both sides stamped. Variant 2 - side A etched, side B stamped. Variant 3 - both sides stamped (last digiits stamped) Matrix / Runout: V SD79351A-1A A 1 (Side A runout, variant 1) Matrix / Runout: V SD 79351B-1B A 1 (Side B runout, variant 1) Matrix / Runout: X⃫ VSD 79351A-1B (Side A runout, variant 2) Matrix / Runout: V SD 79351B-1B (Side B runout, variant 2) Matrix / Runout: V SD79351A-1A A 3 (Side A runout, variant 3) Matrix / Runout: V SD 79351B-1A C (Side B runout, variant 3)