#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; vector<vector<int>> solve_odd(int n){ vector B(n,vector(n,0)); int i=0,j=n/2; rep(k,n*n){ B[i][j]=k+1; i=(i-1+n)%n; j=(j+1)%n; if(B[i][j]!=0){ i=(i+2)%n; j=(j-1+n)%n; } } return B; } int main(){ int n; scanf("%d",&n); vector B(n,vector(n,0)); if(n%2==1){ B=solve_odd(n); } else if(n%4==0){ rep(i,n) rep(j,n) { if(i%4==j%4 || i%4+j%4==3) B[i][j]=i*n+j+1; } for(int i=n-1;i>=0;i--) for(int j=n-1;j>=0;j--) { if(i%4!=j%4 && i%4+j%4!=3) B[i][j]=(n-i-1)*n+(n-j-1)+1; } } else{ auto C=solve_odd(n/2); rep(i,n/2) rep(j,n/2) C[i][j]=4*(C[i][j]-1); rep(i,n/2) rep(j,n/2) { // L if(i<n/4 || (i==n/4 && j!=n/4) || (i==n/4+1 && j==n/4)){ B[2*i+0][2*j+0]=C[i][j]+4; B[2*i+0][2*j+1]=C[i][j]+1; B[2*i+1][2*j+0]=C[i][j]+2; B[2*i+1][2*j+1]=C[i][j]+3; } // U else if(i<=n/4+1){ B[2*i+0][2*j+0]=C[i][j]+1; B[2*i+0][2*j+1]=C[i][j]+4; B[2*i+1][2*j+0]=C[i][j]+2; B[2*i+1][2*j+1]=C[i][j]+3; } // X else{ B[2*i+0][2*j+0]=C[i][j]+1; B[2*i+0][2*j+1]=C[i][j]+4; B[2*i+1][2*j+0]=C[i][j]+3; B[2*i+1][2*j+1]=C[i][j]+2; } } } rep(i,n) rep(j,n) printf("%d%c",B[i][j],j<n-1?' ':'\n'); return 0; }