#include <stdio.h>
#include <math.h>

long n, k, i, j, a[1024][1024];

void show();
void caz1();
void caz2();
void caz3();

int main() {
	freopen("tablete.in", "r", stdin);
	freopen("tablete.out", "w", stdout);
	scanf("%ld %ld", &n, &k);
	if (n % 2 == 0 && k % 2 == 0) {
		caz1();
		return 0;
	}
	if (n % 2 == 0 || k % 2 == 0) {
		caz2();
		return 0;
	}
	caz3();
	return 0;
}

void show() {
	for (i = 1; i <= n; ++i) {
		for (j = 1; j < n; ++j) {
			printf("%ld ", a[i][j]);
		}
		printf("%ld\n", a[i][n]);
	}
}

void caz1() {
	for (i = 1; i <= n * n; ++i) {
		if (i % n != 0) {
			printf("%ld ", i);
		} else {
			printf("%ld\n", i);
		}
	}
	
}

void caz2() {
	for (i = 1; i <= n; ++i) {
		for (j = 1; j <= n; ++j) {
			a[i][j] = (j - 1) * n + i;
		}
	}
	for (i = 1; i <= n; ++i) {
		a[i][k - 1] = a[i][k - 1] + i - 1;
		a[i][k] = a[i][k - 1] + 1;
		
	}
	show();
}
void caz3() {
	for (i = 1; i <= n; ++i) {
		for (j = 1; j <= n; ++j) {
			a[i][j] = (j - 1) * n + i;
		}
	}
	long z = a[1][k - 1];
	a[1][k - 1] = a[n][k - 2];
	a[n][k - 2] = z;
	a[1][k] = a[1][k - 1] + 3;
	for (i = 2; i <= n; ++i) {
		a[i][k - 1] = a[i - 1][k - 1] + 2;
		a[i][k] = a[i - 1][k] + 2;
	}
	--a[1][k + 1];
	show();
}