A:
3x450 Snake warm up (#1: swim, #2: non-free/free by 25, #3: kick/swim by 25)
6x50 pull @ :45
6x100 pull @ 1:20
5x150 swim @ 2:05 (100 smooth, 50 strong)
5x200 @ 3:00 (free/IM by 25)
600 w/fins (kick/swim by 50)
100 cool down
*4700 Total*

B:
3x450 Snake warm up (#1: swim, #2: choice/free by 25, #3: kick/swim by 25)
6x50 pull @ :60
6x100 pull @ 1:50
4x150 swim @ 2:45 (100 smooth, 50 strong)
4x150 @ 3:00 (free/non-free/free by 50)
200 cool down
*3600 Total*

C:
2x450 Snake warm up (#1: swim, #2: kick/swim by 25)
6x100 pull w/:30 sec rest
4x150 swim w/:30 sec rest (100 smooth, 50 strong)
4x100 w/:30 sec rest (free/non-free by 25)
100 cool down
*2600 Total*