function F = KBg26F(x)
%

F(1) = -0.90703 + (1-x(4)) + (1-x(1)) + x(2) - x(6)*x(2) - x(7)*(1-x(1)) - x(7)*x(2) + x(7)*x(6)*x(2);
F(2) = -0.50795 + (1-x(3));
F(3) = -0.59006 + (1-x(1));
F(4) = -0.84674 + (1-x(5)) + (1-x(3)) + x(2) - x(8)*x(2) - x(9)*(1-x(3)) - x(9)*x(2) + x(9)*x(8)*x(2);
F(5) = -0.83444 + (1-x(5)) + (1-x(4)) + (1-x(3)) - x(10)*(1-x(3)) - x(11)*(1-x(4)) - x(11)*(1-x(3)) + x(11)*x(10)*(1-x(3));
F(6) = -0.78585 + x(4) + x(5) - x(12)*x(5);
F(7) = -0.749 + (1-x(5)) + (1-x(3)) - x(13)*(1-x(3));
F(8) = -0.8398 + (1-x(5)) + (1-x(3)) + (1-x(2)) - x(14)*(1-x(2)) - x(15)*(1-x(3)) - x(15)*(1-x(2)) + x(15)*x(14)*(1-x(2));
F(9) = -0.78707 + (1-x(5)) + (1-x(1)) - x(16)*(1-x(1));
F(10) = -0.8686 + x(1) + x(4) + x(5) - x(17)*x(5) - x(18)*x(4) - x(18)*x(5) + x(18)*x(17)*x(5);
F(11) = -0.92388 + (1-x(4)) + x(1) + x(2) - x(19)*x(2) - x(20)*x(1) - x(20)*x(2) + x(20)*x(19)*x(2);
F(12) = -0.5199 + (x(4));
F(13) = -0.5237 + (x(5));
F(14) = -0.75895 + (1-x(3)) + x(5) - x(21)*x(5);
