#include <fstream>
using namespace std;
ifstream cin("tablete.in");
ofstream cout("tablete.out");
int mat[1005][1005];
bool ap[1000*1000+5];
int main()
{
    int n,k;
    cin>>n>>k;
    if(n%2==0)
    {
        if(k%2==0)
        {
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
                cout<<n*(i-1)+j<<" ";
            cout<<"\n";
        }
        return 0;
        }
        for(int i=1;i<=n;i+=2)
        {
            ///i i+1
            for(int j=1;j<=k;j++)
                cout<<(i-1)*n+j+1<<" ";
            for(int j=1;j<=n-k;j++)
                cout<<i*n+k+j<<" ";
            cout<<"\n";
            cout<<(i-1)*n+1<<" ";
            for(int j=1;j<n;j++)
                cout<<(i-1)*n+k+j+1<<" ";
            cout<<"\n";
        }
        return 0;
    }
    if(k%2==0){
        for(int i=1;i<=n;i++)
        {
            if(i%2==1)
                mat[i][k]=n*(i-1)+k;
            else
                mat[i][k]=n*(i-1)+k+1;
            ap[mat[i][k]]++;
        }
        for(int i=1;i<=n;i++)
        {
            int last=1;
            while(ap[last]==1)
                last++;
            for(int j=1;j<k;j++)
            {
                mat[i][j]=last;
                ap[last]=1;
                while(ap[last]==1)
                    last++;
            }
            last=mat[i][k]+1;
            while(ap[last]==1)
                last++;
            for(int j=k+1;j<=n;j++)
            {
                mat[i][j]=last;
                ap[last]=1;
                while(ap[last]==1)
                    last++;
            }
        }
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
                cout<<mat[i][j]<<" ";
            cout<<"\n";
        }
    }
    for(int i=1;i<=n;i++)
        {
            if(i%2==0)
                mat[i][k]=n*(i-1)+k;
            else
                mat[i][k]=n*(i-1)+k+1;
            ap[mat[i][k]]++;
        }
        for(int i=1;i<=n;i++)
        {
            int last=1;
            while(ap[last]==1)
                last++;
            for(int j=1;j<k;j++)
            {
                mat[i][j]=last;
                ap[last]=1;
                while(ap[last]==1)
                    last++;
            }
            last=mat[i][k]+1;
            while(ap[last]==1)
                last++;
            for(int j=k+1;j<=n;j++)
            {
                mat[i][j]=last;
                ap[last]=1;
                while(ap[last]==1)
                    last++;
            }
        }
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
                cout<<mat[i][j]<<" ";
            cout<<"\n";
        }
    return 0;
}
/**
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
16 17 18 19 20
21 22 23 24 25
      *
1 2 3 4 5
6 7 8 10 11
9 12 13 14 15

  *
1 2 3 4 5
6 8 9 10 11
7 12 13 14 15
16 18 19 20 21
17 22 23 24 25
**/