import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		long n = sc.nextLong();
		int k = sc.nextInt();
		sc.close();

		long n2 = n * (n + 1) / 2;
		if (n2 % k != 0) {
			System.out.println("No");
			return;
		}

		PrintWriter pw = new PrintWriter(System.out);
		List<List<Integer>> list = new ArrayList<>(k);
		for (int i = 0; i < k; i++) {
			list.add(new ArrayList<>());
		}
		for (int i = 0; i < n; i++) {
			if (i / k % 2 == 0) {
				list.get(i % k).add(i + 1);
			} else {
				list.get(k - i % k - 1).add(i + 1);
			}
		}
		for (int i = 0; i < k; i++) {
			StringBuilder sb = new StringBuilder();
			for (int j : list.get(i)) {
				sb.append(j).append(' ');
			}
			sb.deleteCharAt(sb.length() - 1);
			pw.println(sb.toString());
		}
		pw.flush();
	}
}