Workout

Warm-up (800)
600swim
...50 free/50 drill
200 IM
...reverse order

Set (800)
8 x 100 on 1:45
...Count strokes 
...same or fewer on 2nd 50 

Set (2000)
3 x 200 on 3:30
(50 free, 100 stroke fast, 50 free)
200 IM on 4:00
100 easy

6 x 100  
Odds: free on 1:45
Evens: IM on 2:00
100 easy

8 x 50  
Odds: free on :50
Evens: stroke on 1:10

Cool down (200)
200 easy