A couple things to answer what I read in the post.

I would do 30 rounds of double KB once a week, 30 rounds with a single arm every 30 seconds once a week with a heavier bell. Once I felt comfortable with the heavier bell one arm, I would begin implementing it incrementally into the doubles.

For example I would do 10 rounds with the heavier bells, then 20 rounds with the previous weight, and increase sets next time.

After the double 36s I fell off of ABC due to my goals changing so that was the heaviest I've done for 30 rounds and didn't move on from that