I would like to do that,trying for years (laugh)
here is 2 rules from the cpsa web site hope it helps
4.21 One shot only may be fired at each target during its flight
4.46 Both targets are broken with the first shot. On the third repeated occurrence, the first target
will be scored “hit” and the second target “lost”.
The result of the first shot is established and a repeat double taken to determine the result of the second
shot only when: