21 Wall balls
21 Ohs 40/25
18 Wall balls
18 Ohs 50/35
15 Wall balls
15 Ohs 60/45
12 Wall balls
12 Ohs 70/50
9 Wall balls
9 Ohs 80/55
6 Wall balls
6 Ohs 90/65
3 Wall balls
3 Ohs 100/75
For the RX your ohs should be at least 110/85.
rx - Go 10kg lighter
rx-- Go 20kg lighter
You can also do smaller increases