WOD
"Row Ladder"
from minutes 0:00-4:00
2 rounds of
6 power cleans 135/95  115/75   95/65
10/9 cals row

from minutes 4:00-8:00
2 rounds of
6 power cleans
15/12 cals row

from minutes 8:00-12:00
2 rounds of
6 power cleans
20/15 cals row

from minutes 12:00-16:00
2 rounds of
6 power cleans 
25/18 cals row

from minutes 16:00-20:00
2 rounds of
6 power cleans
30/21 cals row

*if you finish before the 4 minute interval is up you may move on to the next segment

Your workout ends if you do not complete the required reps by it's specified time domain.  If you make the final round, then your score is the time you finish.