10. 숫자사각형1

package _10;

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int num = sc.nextInt();
		
		for (int i = 0; i < num; i++) {
			for (int j = 0; j < num; j++) {
				System.out.printf("%3d", i*num + j + 1);
			}
			System.out.println();
		}
		
		/*
		int i = 1;
		
		while(i != num*num+1) {
			System.out.print(i + " ");
			if(i%num == 0) {
				System.out.println();
			}
			i++;			
		}
		*/
		
	}
}

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