What is the correct order of steps to create a case study for a UX design project?

Define project requirements, create user stories and solution sketches, research users and competition, draft a wireframe, prototype a solution, conduct usability testing and incorporate results, and identify the next steps

Define project requirements, research users and competition, draft a wireframe, create user stories and solution sketches, prototype a solution, conduct usability testing and incorporate results, and identify the next steps

Define project requirements, research users and competition, create user stories and solution sketches, draft a wireframe, prototype a solution, conduct usability testing and incorporate results, and identify the next steps

Define project requirements, research users and competition, create user stories and solution sketches, draft a wireframe, conduct usability testing and incorporate results, prototype a solution, and identify the next steps