i;main(n,m,l,x){for(scanf("%d",&n),m=n;m--;i++)for(l=0,x=m?2*n-~m:3*n;~x;l++)putchar(x--?l-i&&l-m?(m>n/2?l-i-n&&l-m-n:l-n*3/2)?(n+~m&&m||l<2*n)&&x?32:90:89:88:10);}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).