... noted the most difficult individual PT sections in all three pre ... 8-S4, 9-S2, 10-S4, 11-S4, 12-S4, 14-S2, 14-S4, 18 ... 45-S1, 62-S2, 69-S4, 70-S4, 71-S3, 72-S2 ... , 82, 83, 85, 86, 87, 89, **90, 91**
... challenging myself with doing the PT A, B, and C ...