Hector and his workout partner are lifting weights together, doing many sets of each exercise. On a certain exercise, Hector is using a 20-pound bar, increasing the amount of weight he lifts by 2 pounds on each set. His partner, meanwhile, started out using an 11-pound bar and is upping the weight by adding 11 pounds on every set. Eventually, Hector and his workout partner will be lifting the same amount, and will take turns using the same barbell. How many sets will they have completed? How much weight will they be lifting then?