... noted the most difficult individual PT sections in all three pre ... REASONING:**
5-star: 5-S1, 7-S4,17-S2, 17-S3 ... , F97-S1, 23-S3, 28-S1
4-star ... S2, 27-S1, 28-S3, 33-S1, 39-S2, 45-S1, 62-S2 ... challenging myself with doing the PT A, B, and C ...