for i in range(0,14):
a=input();s=a*" "+(2*a)*"_"+"\n"
for x in range(-a+1,a+1):
j=abs(x)
if x>0:j-=1
t=j*" "+"\\"+(2*a-1)*"x"+"\\"+((a-j-1)*2)*" "+"/\n"
r="_" if x==0 or x==a else " "
s+=t.replace("x",r)
s=s.replace("\\","x",a*2).replace("/","\\",a).replace("x","/")
print s,
Note that non-ascii characters in the above source code will be escaped (such as \x9f).