#include <stdio.h>
FILE *f=fopen("tablete.in", "r"), *g=fopen("tablete.out", "w");
long i, j, n, k;

void citeste(void)
{
	fscanf(f, "%ld%ld", &n, &k);
	fclose(f);
}

int main(void)
{
	citeste();
	if (k%2==0)
		for (i=0;i<n;i++)
		{
			for (j=1;j<=n;j++)
				fprintf(g, "%ld ", i*n+j);
			fprintf(g, "\n");
		}
	else
		fprintf(g, "21");
	fclose(g);
	return 0;
}