a_very_weird_spiral.py

n = int(input())
   
size = (2 * n) - 1
d = []
for i in range(n - 1):
    s = []
    for j in range(n - 1):
        s.append(str(n - min(i, j)))
    rev = [x for x in s]
    rev.reverse()
    s.append(str(n - i)) 
    s.extend(rev)
    d.append("".join(s))
    
ns = ""
for i in range(1, size + 1):
    ns += str(abs(n - i) + 1)
    
if n <= 1:
    print(ns)
else:
    print("\n".join(d), ns, "\n".join(d[::-1]), sep="\n")