#define _CRT_SECURE_NO_WARNINGS
#include <Windows.h>
#include <stdio.h>

int main()
{
	int **S;
	int n, m, a = 0;
	scanf("%d %d", &n, &m);
	S = (int**)malloc(sizeof(int*) * n);
	for (int i = 0; i < n; i++)
	{
		S[i] = (int*)calloc(n, sizeof(int));
	}

	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
		{
			printf("%-2d ", S[i][j] = m * i + j + 1);
		}
		printf("\n");
	}
	printf("\n");
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
		{
			if ((j+1) % 2 == 0)
			{
				printf("%-2d ", S[n-i-1][j]);
			}else
			printf("%-2d ", S[i][j]);
		}
		printf("\n");
	}
	return 0;
}