(DE PATFACE (X) (CADDR X)))))))))

  (DE FNODLST (X)
      (PROG (Y Y1)
            (SETQ Y (CDR X))
            (SETQ Y1 (CADDAR Y))
         B  (COND ((NULL (SETQ Y (CDR Y))) (RETURN (CONS (CAR X) Y1)))
                  (T (SETQ Y1 (UNION Y1 (CADDAR Y)))))
	    (GO B))))))))))))))

  (DE PATNODFC (X) (CADDDR X))))))))

  (DE NODEPICK2 (PS) (NODEPICK3 PS NIL NIL)))))))

  (DE NODEPICK3 (PS1 LST USD)
      (PROG (X Y)
            (SETQ X (CDAR PS1))
         B  (COND ((NULL X) (RETURN NIL))
                  ((MEMQ (CAR X) USD) NIL)
                  ((CDR PS1) (GO A))
                  (T (RETURN (CONS (CONS (CAAR PS1) (CAR X)) LST))))
         C  (SETQ X (CDR X))
            (GO B)
         A  (COND ((NOT (NODECHK (CAAR PS1) (CAR X) LST)) (GO C)))
            (SETQ Y (NODEPICK3 (CDR PS1) (CONS (CONS (CAAR PS1) (CAR X)) LST)
                               (CONS (CAR X) USD)))
            (COND (Y (RETURN Y)))
            (GO C)))))))))))
  (DE NODECHK (PX NX LST)
      (PROG (Y Y1 Y2)
            (SETQ Y2 (CONN NX))
            (RETURN (FOR Y IN (CDR (ASSOC PX (PATCONN CURPAT)))
                      AS Y1 IS (ASSOC2 Y LST)
                       IF Y1 AND (MEMBER (CDR Y1) Y2)))))

  (DE PATCONN (X) (CADR X))

  (DE PATPTS (X LC)
      (FOR NEW Y IN X AS NEW Z IS (ASSOC2 (CAR Y) LC)
       LIST (LIST (CDR Y) (PLUS (CADR Z) 15) (PLUS (CADDR Z) 15))))

  (DE PATPOINTS (X) (CADR (CDDDDR X)))