#include <bits/stdc++.h>
using namespace std;
int dp[1005][1005];
int main()
{
    freopen("tablete.in","r",stdin);
    freopen("tablete.out","w",stdout);
    int n,k;
    scanf("%d%d",&n,&k);
    int i,j;
    if(k%2==0)
    {
        int cnt=0;
        for(i=1;i<=n;i++)
            for(j=1;j<=k;j++)
            dp[i][j]=++cnt;
        for(i=1;i<=n;i++)
            for(j=k+1;j<=n;j++)dp[i][j]=++cnt;
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
                printf("%d ",dp[i][j]);
                printf("\n");
        }
    }
    return 0;
}