i,j,f;main(m,n){scanf("%d",&m);for(n=m*3;f=j/m,i-m;)putchar(++j>n?n-=m-i++>2?:2-m,j=0,10:(!f?j+~i&&m-j-i:f&1?i>m/2?j+~m-m/2:j+~i-m&&n-j-m:i&&m+~i&&n-j)?32:88+f);}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).