You will find that folks may list many shot-strings that they have developed. In addition to these, I'd suggest taking time to contact Thompson Center and requesting the manual called
"Shooting Thompson Center Black Powder Muzzleloading Firearms." This manual wil lilst the optimum load as they see it and a good starting point for you, to find yours. There is a whole bunch of god information, in there as well. There are also countless souces for information, out there, such as books by Sam Fadala and others. ...
Be Safe !!!