pattern3

//Enter the number of the row...

#include<stdio.h>
int main()
{
    int a,b=1,c=0,x,d,e,f=1;
    scanf("%d",&x);
    d=x;
    while(1)
    {

        c++;
        for(b;b<=x;b++){printf("%d ",b);}

        b--;
        e=b;

        printf("\n");
        if(c==d){break;}

        c++;
        for(b;b>=f;b--){printf("%d ",b);}
        b++;
        b=e;
        if(c==d){break;}
        printf("\n");
        x+=d-1;
        f+=d-1;

    }

    return 0;
}