Su-57's AL-51F1 Engine Flat Nozzle, Is it Two or Three Dimensional Thrust Vectoring?

Su-57's new Nozzle and AL-51F1 Engine Be a Member for exclusive privileges - https://www.youtube.com/channel/UCviEFTf1xIPKsjmyF_zvFug/join Twitter : https://x.com/AltitudeAddicts