function result = draw(r)
%DRAW Summary of this function goes here
%   Detailed explanation goes here

test = zeros(1, 2*length(r));
for i=1:length(r)
if(r(i)<0.25)
     X=[1 0];

elseif(r(i)<0.50)
X= [-1 0];
elseif(r(i)<0.75)
X=[0 1];
else
 X = [0 -1];
end
 test(1, i*2 -1) = X(1);
test(1,i*2) = X(2);
end
result = test;

end