找规律
import java.util.*;
class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
while(true){
int n = sc.nextInt();
if(n == 0) break;
int[][] nums = new int[n][n];
for(int i = 0; i < n; i ++){
for(int j = 0; j < n; j ++){
if(i == j) nums[i][j] = 1; // 对角线
else if(j - i > 0) nums[i][j] = j - i + 1; // 右部分
else nums[i][j] = i - j + 1; // 左部分
System.out.print(nums[i][j] + " ");
}
System.out.println();
}
System.out.println();
}
}
}