/*
 *  Title: The magic Square
 *  written by Arthur Gapusan
 *  Language: Java
 *  http://www.planet-java.biz.ly
 */

class MagicSquare3 {
  public static void main(String args[]) {
    long start = System.currentTimeMillis();
    int n = Integer.parseInt(args[0]);
    if (n%2 == 0) {
       System.out.println("No EVEN Numbers!"); 
       System.exit(0); 
    }

    int square[][] = new int[n][n];
    int y = 0;
    int x = (n-1)/2;
    square[y][x] = 1;

    for (int i=2;i<=n*n;i++) {
      int ytemp = y;
      int xtemp = x;
      
      if (y==0)  
        y = n-1;
      else 
        y--;

      if (x==(n-1))
        x = 0;
      else
        x++;
      if (square[y][x]!=0) {
        y = ytemp;
        x = xtemp;
        square[++y][x] = i;
      } 
      else 
        square[y][x] = i;
    }
  
    for (int i=0;i<n;i++) {
      for (int j=0;j<n;j++)  {
        System.out.print(square[i][j]);
        if (square[i][j]<10)
          System.out.print("   ");	        
        if (square[i][j]>9 && square[i][j]<100) 
          System.out.print("  ");
        if (square[i][j]>99) 
          System.out.print(" ");
      }
      System.out.println();     
    }  
      long end = System.currentTimeMillis();
      System.out.println("Time elapsed: " + ((end-start) / ((double) 1000)));
  }
}