Here’s a 22mm flange on amazon
Maymom MyFit Crater Series 22 mm 2xTwo-Piece Small Breastshield Compatible with Medela Breast Pumps. Long Nipple Tunnel (44mm) Best for Elastic Nipples https://www.amazon.com/dp/B086L7HY72/ref=cm_sw_r_cp_api_glt_fabc_B0NF344VZ3XERK323SE3
I have a similar issue. My LC gave me some with longer tunnels and it helps. They are similar to these: https://www.amazon.com/Maymom-2xTwo-Piece-Breastshield-Compatible-Elastic/dp/B086L7HY72