[shiqiang]

x=1;
while x<10^9/3^13
a=x*3^13;
b=int2str(a);
n=length(b);
y=sort(b);
z='123456789';
x=x+1;
c=(b-48)|0;
if n==9 & all(c)==1 & y==z
fprintf('%d\n',a)
end
end