Not quite how it works.
What you need to do is start a thread Finished T/L with as many of your T/L "story" posts as will fit in a single post.
Your attempt to start a new thread in Finished T/L will be flagged for Mod review. When approved it will appear in the Finished T/L thread. After it is approved you can them make additional posts as needed to move the rest of the "story" posts into the thread (fewer post in the Finished thread the better).
What you need to do is start a thread Finished T/L with as many of your T/L "story" posts as will fit in a single post.
Your attempt to start a new thread in Finished T/L will be flagged for Mod review. When approved it will appear in the Finished T/L thread. After it is approved you can them make additional posts as needed to move the rest of the "story" posts into the thread (fewer post in the Finished thread the better).