function F = KBg89F(x)
%

F(1) = -0.52207 + (1-x(5));
F(2) = -0.87643 + (1-x(5)) + (1-x(4)) + x(1) - x(6)*x(1) - x(7)*(1-x(4)) - x(7)*x(1) + x(7)*x(6)*x(1);
F(3) = -0.57249 + (1-x(2));
F(4) = -0.85505 + (1-x(3)) + (1-x(2)) + x(5) - x(8)*x(5) - x(9)*(1-x(2)) - x(9)*x(5) + x(9)*x(8)*x(5);
F(5) = -0.90087 + (1-x(3)) + x(2) + x(5) - x(10)*x(5) - x(11)*x(2) - x(11)*x(5) + x(11)*x(10)*x(5);
F(6) = -0.4778 + (1-x(1));
F(7) = -0.85505 + (1-x(5)) + (1-x(3)) + x(2) - x(12)*x(2) - x(13)*(1-x(3)) - x(13)*x(2) + x(13)*x(12)*x(2);
F(8) = -0.73626 + (1-x(5)) + x(4) - x(14)*x(4);
F(9) = -0.74008 + (1-x(4)) + (1-x(3)) - x(15)*(1-x(3));
F(10) = -0.48709 + (1-x(3));
F(11) = -0.88071 + (1-x(1)) + x(4) + x(5) - x(16)*x(5) - x(17)*x(4) - x(17)*x(5) + x(17)*x(16)*x(5);
F(12) = -0.79105 + (1-x(2)) + x(4) - x(18)*x(4);
F(13) = -0.86293 + x(1) + x(2) + x(4) - x(19)*x(4) - x(20)*x(2) - x(20)*x(4) + x(20)*x(19)*x(4);
F(14) = -0.68848 + (1-x(3)) + x(5) - x(21)*x(5);
