# include <fstream>
using namespace std;

ifstream f ("tablete.in");
ofstream g ("tablete.out");

int n, k, i, j, z, a[1001][1001];

int main()
{
	f >> n >> k;
	z = 1;
	if (k % 2 == 0)
	{for (i = 1; i <= n; ++i)
		for (j = 1; j <= k; ++j)
				{a[i][j] = z; z++;}
	for (i = 1; i <= n; ++i)
		for (j = k+1; j <= n; ++j)
			{a[i][j] = z; z++;}
	}
	else
		{for (i = 1; i <= n; ++i)
			for (j = 1; j <= k; ++j)
				if (k != j && z % 2 == 1)
					{a[i][j] = z; ++z;}
				else if (z % 2 == 0)
					{a[i][j] = z; z++;}
				else if (k == j)
					{
						a[i][j] = z+1;
						a[i+1][1] = z;
						z += 2;
						i++; j = 1;
					}
		 for (i = 1; i <= n; ++i)
			for (j = k+1; j <= n; ++j)
					{ a[i][j] = z; ++z;}
		}
	for (i = 1; i <= n; ++i)
	{
		for (j = 1; j <= n; ++j)
			g << a[i][j] << ' ';
		g << '\n';
	}
	g.close(); return 0;	
}