These sets should be ascending in weight. Use a rack. Ensure the movement is a thruster, and not a thrust-a-jerk (there should be no re-dip).
From CrossFit.com – December 12, 2016
20 clean and jerks, 165/115
*If you do not have access to an Assault bike, row for calories instead.
115/75, 95/65, or further as needed