Slight glitch with subplot and 3D graphs.

When I run this code:

t = 0:.01*pi:10*pi;

plot3(1.*cos(t), 1.*sin(t), .1.*t) xlabel('x'),ylabel('y'),zlabel('z'),title('Helix A'),grid subplot(1,3,1);

plot3(1.*cos(t), 1.*sin(t), .2.*t) xlabel('x'),ylabel('y'),zlabel('z'),title('Helix B'),grid subplot(1,3,2);

plot3(1.*cos(t), 1.*sin(t), -.1.*t) xlabel('x'),ylabel('y'),zlabel('z'),title('Helix C'),grid subplot(1,3,3);

The figure displays only two of the helices, B and C. However, if you run the script a second time, it successfully produces all three of the helices which is what I need. How can I fix this simply?