In pairs 

21-15-9 

P1 does 21 then P2 Does 21 (take in turns) 

Burpee box jumps (24/20)

Calories 

2 rounds: 

21-15-9 

Deadlifts (70/45) 

Synchro squat jumps 

Splitting the reps with your partner

70 STOH 

70 hang cleans 

70 pull ups