function F = KBg51F(x)
%

F(1) = -0.81835 + (1-x(4)) + (1-x(3)) + (1-x(2)) - x(6)*(1-x(2)) - x(7)*(1-x(3)) - x(7)*(1-x(2)) + x(7)*x(6)*(1-x(2));
F(2) = -0.88429 + (1-x(5)) + x(2) + x(3) - x(8)*x(3) - x(9)*x(2) - x(9)*x(3) + x(9)*x(8)*x(3);
F(3) = -0.53875 + (1-x(1));
F(4) = -0.55927 + (x(5));
F(5) = -0.39658 + (x(3));
F(6) = -0.83794 + (1-x(3)) + x(5) - x(10)*x(5);
F(7) = -0.64646 + (1-x(4)) + (1-x(2)) - x(11)*(1-x(2));
F(8) = -0.92664 + (1-x(3)) + (1-x(2)) + x(4) - x(12)*x(4) - x(13)*(1-x(2)) - x(13)*x(4) + x(13)*x(12)*x(4);
F(9) = -0.78505 + (1-x(5)) + x(4) - x(14)*x(4);
