#include <fstream>

using namespace std;
ifstream f ("tablete.in");
ofstream g ("tablete.out");
int main()
{
    int n, y, i ,j, k = 1;
    f >> n >> y;
    int m[n + 1][n + 1];
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
        {
            if (j != y){
                m[i][j] = k;
                k++;
            }
            else{
                if (k % 2 == 1){
                    m[i][j] = k + 1;
                    k += 2;
                }
                else{
                    m[i][j] = k;
                    k++;
                }
            }
        }
    }
    for (i = 1; i <= n; i++){
        for (j = 1; j <= n; j++)
            g << m[i][j] << ' ';
        g << '\n';
    }
    return 0;
}