Beginning on a 4-minute clock, complete as many reps as possible of: 25 toes-to-bars 50 double-unders 15 squat cleans, 135 / 85 lb. If completed before 4 minutes, add 4 minutes to the clock and proceed to: 25 toes-to-bars 50 double-unders 13 squat cleans, 185 / 115 lb. If completed before 8 minutes, add 4 minutes to the clock and proceed to: 25 toes-to-bars 50 double-unders 11 squat cleans, 225 / 145 lb. If completed before 12 minutes, add 4 minutes to the clock and proceed to: 25 toes-to-bars 50 double-unders 9 squat cleans, 275 / 175 lb. If completed before 16 minutes, add 4 minutes to the clock and proceed to: 25 toes-to-bars 50 double-unders 7 squat cleans, 315 / 205 lb. Stop at 20 minutes.