public class DotExample {
	public static void main(String[] args) {
		for(int line = 1; line <= 5; line++) {
			// print some dots
			for(int j = 1; j <= -1*line + 5; j++) {
				System.out.print(".");
			}
			
			// print the line number
			System.out.print(line);
			
			// print more dots
			for(int j = 1; j <= line - 1; j++) {
				System.out.print(".");
			}
			
			System.out.println();
		}
	}
}