A)
Every 3 mins for 9 mins do:
Run, 200 m
20 Toes-to-bars

Rest 3 mins then:

B)
Every 3 mins for 9 mins do:
20/15 Bike Calories
20 Push-ups

Rest 3 mins then:

C)
Every 3 mins for 9 mins do:
20 Kettlebell Goblet Squats, 24/16 kg
20 Pull-ups kipping/ jumping pu/ heavy ring row

Split the group into 3 teams so you have enough machines for everyone!