#include<cstdio>
int a[505][505];

int main(){
    int n;
    scanf("%d",&n);
    int r = 0, c = 0;
    for(int i = 1; i <= n; i++){
        int x = r, y = c;
        for(int j = 1; j <= n; j++){
            a[x][y] = j;
            x = (x+1)%n, y = (y+1)%n;
        }
        r = (r+2)%n, c = (c+1)%n;
    }
    for(int i = 0; i < n; i++){
        for(int j = 0; j < n; j++) printf("%d ",a[i][j]);
        printf("\n");
    }
    return 0;
}