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