program silang;
var
baris,kolom,n : integer;
begin
readln(n);
for baris := 1 to n do
begin
for kolom := 1 to n do
begin
if (baris = kolom) or (baris+kolom = n+1) then
write('*')
else
write(' ');
end;
writeln;
end;
readln;
end.
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