public class Main
{
public static void main (String[]args)
{
String repeated;
repeated = "";
for (int i = 1; i <= 4; i++)
{
repeated = repeated +
new String (new char[i]).replace ("\0", (i + " ")) +
new String (new char[i]).replace ("\0", "* ") +
new String (new char[i]).replace ("\0", (i + " "));
}
System.out.println (repeated);
}
}