/*public class Loops {*/
  /*public static void main(String[] args) {
    int x = 8, y = 4, w;
    boolean z = !((x > 4) && (y <= 6)) != ((y <= 4) || (x > 6));
  
    if(x++ >= 4 || --y >= 3)
      w = --x + y++;
    else
      w = x-- + ++y;
  }
  System.out.println(w);
  System.out.println(x);
  System.out.println(y);
  System.out.println(z);
}*/
 
public class Test {
  public static void main(String[] args) {
    final int MAX = 9, MIN = 5;
    int i = 1, j = 0;
 
    System.out.println(i + " " + j);
    while(i <= MIN) {
      for(j = ++i; j <= MAX; j++) {
        System.out.println(i + " " + j);
        j += 2;
      }
      i += 3;
    }
    System.out.println(i + " " + j);
  }
}

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