How can I pass thread counts and initial delay as variables in ultimate thread group?

I want to pass these thread counts, i.e 1,2,3 as variables with auto increment, and initial delay also as a variableIn ultimate thread group, I need to pass thread count and initial delay as variables. It should start a loop, which automatically starts the thread after given period of time. How can I achieve that?

I want something like this, which runs number of threads in loop