its a good table but it also doesnt tell you what gem slot it can havehttps://docs.google.com/spreadsheets/d/1iBgTZttW-ECbRUy_9zm_FFuiQbi9LT93KuY-2iK5t_g/edit#gid=0
here is the table if this could help u =)
since only offensive skills can be only 3-1-1 not 3-2-1 as many are doing 3-2-1 on offensive skills then report back it not working