#include <stdio.h>

int n, i, j, k, p, nr, x;
int v[1010];

void cit() {
	freopen("tablete.in", "r", stdin);
	freopen("tablete.out", "w", stdout);
	
	scanf("%d %d", &n, &k);
}

void solve() {
	for (i = 1; i <= n; i++) {
		p = 0;
		for (j = 1; j <= n; j++) {
			v[++p] = ++nr;
			if (j == k && nr % 2 == 1) {
				x = v[p - 1];
				v[p - 1] = v[p];
				v[p] = x;
			}
		}
		for (j = 1; j <= n; j++)
			printf("%d ",v[j]);
		printf("\n");
	}
}

int main() {

	cit();
	solve();
	
	return 0;
}