var
  a: array [1..30, 1..30] of real;
  i, j, n, x: integer;
  f1: text;
  s1: string;

begin
  read(n);
  s1 := 'program1.pas';
  assign(f1, s1);
  rewrite(f1);
  for i := 1 to n do
  begin
    for j := 1 to n do
    begin
      x := random(10);
      write(f1, x:2);
    end;
    writeln(f1);
  end;
  close(f1);
end.