In your example you can clearly see that the slug is different so you can't redirect using that one.
An alternative would be using the id which is included in your old link, however that would require changes to the merge system which you would need to rerun and you would need rio write a plugin.
An alternative would be using the id which is included in your old link, however that would require changes to the merge system which you would need to rerun and you would need rio write a plugin.
Support PMs will be ignored!