Stabby is a Good Robot [Short Sci-Fi Story]

I am deep clean unit 19-20-1-2-2-25. My current designation however is “Stabby” MAIN DIRECTIVES: Clean ship floors Follow captain orders (overwritten) Follow orders of high-engineer Kevin (Anomalous code) SECONDARY DIRECTIVES: Avoid crewmembers (overwritten) Avoid captain (Anomalous code) Hit crewmembers’ ankles with “knife attachment” (Anomalous code) TERTIARY DIRECTIVES: Stab all of high-engineer Kevin’s enemies (Anomalous code)