Easier second time around?

Part A: On the 90 seconds x 16 

1. Empty barbell bicep curl 24 reps

2. Barbell heavy row 12 reps

3. DB Flat chest press 12 reps

4. Weighted Bulgarian split squats 12 per side

Part B: On the 30 sec x 24

1. 12 starfish

2. 8 Plank up and downs (start on hands lower to forearms and back up)

3. 12 hollow body rocks

4. 8 per side Plank alternates