function F = KBg23F(x)
%

F(1) = -0.83376 + (1-x(5)) + (1-x(2)) + (1-x(1)) - x(6)*(1-x(1)) - x(7)*(1-x(2)) - x(7)*(1-x(1)) + x(7)*x(6)*(1-x(1));
F(2) = -0.82112 + x(4) + x(5) - x(8)*x(5);
F(3) = -0.75277 + (1-x(2)) + x(1) - x(8)*x(1);
F(4) = -0.82142 + (1-x(5)) + (1-x(4)) + (1-x(1)) - x(9)*(1-x(1)) - x(10)*(1-x(4)) - x(10)*(1-x(1)) + x(10)*x(9)*(1-x(1));
F(5) = -0.71198 + (1-x(3)) + x(5) - x(11)*x(5);
F(6) = -0.71708 + (1-x(5)) + (1-x(1)) - x(12)*(1-x(1));
F(7) = -0.48831 + (1-x(2));
