module sr2fnb (q, qn, r1, r2, s1, s2);
   input r1, r2, s1, s2;
   output q, qn;
   reg notifier;
   NEW_UDP_DFF              G2(q, N3, N3, N5, N6, notifier);
   pulldown             G3(N3);
   nor                  G5(N5, s1, s2),
                        G6(N6, r1, r2);
   pullup               G9(N9);
   NEW_UDP_DFF              G10(qn, N9, N3, N6, N5, notifier);
endmodule