In front of a clock set for nine minutes:
2 minutes of Burpees
2 minutes of GHD Sit-ups
2 minutes of Inverted Burpees
1 minute of Burpees
1 minute of GHD Sit-ups
1 minute of Inverted Burpees
Post reps for each set to comments.
"The Thin Red Line of Fitness" by Emily Beers, CrossFit Journal article [pdf]