2074 : 홀수 마방진

n = int(input())

arr = [[0 for i in range(n+1)] for j in range(n+1)]

y=0
x=n//2
num=1
for i in range(n*n):
    arr[y][x]=num
    num+=1
    nexty=(y-1 + n) % n
    nextx=(x-1 + n) % n
    if arr[nexty][nextx]==0: 
        y=nexty
        x=nextx
    else:
        y=(y+1)%n

for i in range(n):
    for j in range(n):
        print(arr[i][j],end=" ")
    print()