z,l,i,j;f(z,l){for(j=0;j<l;++j)putchar(z);}main(){while(scanf("%i",&l)>0){f(32,l);f(95,l*2);f(10,1);for(i=0;i<l-1;++i){f(32,l-i-1);f(47,1);f(32,l*2-1);f(47,1);f(32,i*2);f(92,1);f(10);}f(47,1);f(95,l*2-1);f(47,1);f(32,i*2);f(92,1);f(10);for(i=l;i>1;--i){f(32,l-i);f(92,1);f(32,l*2-1);f(92,1);f(32,i*2-2);f(47,1);f(10);}f(32,l-1);f(92,1);f(95,l*2-1);f(92,1);f(47,1);f(10);}}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).