#include<stdio.h>
int main()
{
    int row,i,j,odd_num=1;
    if(scanf("%d",&row)!=1)
    {
        return 1;
    }
    else if(row<0)
    {
        printf("Invalid input");
        return 0;
    }
    else
        for(i=1;i<=row;i++)
        {
            for(j=1;j<=i;j++)
            {
                printf("%d ",row-i+i,odd_num);
                odd_num+=2;
            }
            printf("\n");
        }
    return 0;
}