I added loop cuts to stabilise the mesh before I subdivided and ummm...
https://preview.redd.it/ugidtj9pdmhe1.png?width=732&format=png&auto=webp&s=beba40fa23500119aae502269cf43ebaf4c638c5
https://preview.redd.it/x20y2m9pdmhe1.png?width=1718&format=png&auto=webp&s=f534071c39aa952cda5d72d0fbb8c660c2bc4f34