00100 (DE ORDERP (X Y) 00200 (*LESS (EXAMINE (MAKNUM (CAR (GET X @PNAME)) @FIXNUM)) 00300 (EXAMINE (MAKNUM (CAR (GET Y @PNAME)) @FIXNUM)))) 00400 (DE ALTER(E) 00500 (READLIST(CDREPLACE(EXPLODE E]