public class Pattern {
	public static void main(String args[]) {
		System.out.println("Pattern I");
		
		for (int i=1; i<=6; i++) {
			for (int j=1; j<=i; j++) {
				System.out.print(j);
			}
			System.out.println();
		}
		
		System.out.println("Pattern II");
		
		for (int i=6; i>=1; i--) {
			for (int j=1; j<=i; j++) {
				System.out.print(j);
			}
			System.out.println();
		}
		
		System.out.println("Pattern III");
		
		for (int i=1; i<=6; i++) {
			for (int j=6; j>=i; j--) System.out.print(" "); 
			for (int k=1; k<=i; k++) System.out.print(k);
			System.out.println();
		}
		
		System.out.println("Pattern IV");
		
		for (int i=6; i>=1; i--) {
			for (int j=6; j>=i; j--) System.out.print(" "); 
			for (int k=1; k<=i; k++) System.out.print(k);
			System.out.println();
		}
	}
}