#include<cstdio>
using namespace std;
#define N 1005
int A[N][N];

int main() {
	freopen("tablete.in","r",stdin);
	freopen("tablete.out","w",stdout);
	int n, k;
	scanf("%d %d",&n,&k);
	if(k % 2 == 0) {
		for(int i = 1; i <= n; i++) {
			for(int j = 1; j <= n; j++)
				printf("%d ",(i-1)*n + j);
			printf("\n");
		}
	}
	else {
		while(1);
		/*int lin = 1, col = k + 1;
		for(int i = n * k + 1; i <= n * n; i++) {
			A[lin][col] = i;
			col++;
			if(col > n) {
				col = k + 1;
				lin++;
			}
		}
		for(int i = 1; i < k; i++) 
			A[1][i] = i;
		A[1][k] = k + 1;
		int curr = k;
		for(int i = 2; i <= n; i++) {
		  if(i % 2 == 0) {
			  A[i][1] = (i-1) * k;
			  for(int j = 2; j < k; j++)
				  A[i][j] = A[i][1] + j;
			  A[i][k] = A[i][1] + k;
		  }
		  else {
			  A[i][1] = (i-1) * k + 1;
			  for(int j = 2; j < k; j++)
				  A[i][j] = A[i][1] + j - 1;
			  A[i][k] = A[i][1] + k;
		  }
	    }
		for(int i = 1; i <= n; i++) {
		  for(int j = 1; j <= n; j++)
			 printf("%d ", A[i][j]);
		   printf("\n");*/
		}
	}
	return 0;
}