I had the same problem. I solved it by using this worksheet instead: https://img1.wsimg.com/blobby/go/35e70200-9d7d-4401-b45f-7c8d57460c76/downloads/Social%20Security%20...
It seems to follow the IRS rules more accurately.
I used "override" in the TT worksheet to put in the IRS worksheet number.
