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#include<fstream>
using namespace std;
ifstream f("tablete.in");
ofstream g("tablete.out");
int i,j,r,k,n,p,v[1012][1012],l;
char w[100020],c[10];
int main()
{
for(f>>n>>k,i=1;i<=n;++i)
for(j=1;j<=k;++j)
v[i][j]=++r;
for(i=1;i<=n;++i)
for(j=k+1;j<=n;++j)
v[i][j]=++r;
if(k&1) {
for(i=2;i<=n;i+=2)
swap(v[i][1],v[i-1][k]);
if(n&1)
swap(v[n][k],v[1][k+1]);
}
for(i=1;i<=n;++i,w[++p]='\n')
for(j=1;j<=n;++j) {
for(l=0;v[i][j];c[++l]=char(v[i][j]%10+'0'),v[i][j]/=10);
for(k=l;k;--k)
w[++p]=c[k];
w[++p]=' ';
if(p>=100000)
w[++p]=0,g<<(w+1),p=0;
}
w[++p]=0;
if(p)
g<<(w+1);
return 0;
}