240710

# sum = 0

# m, n = map(int, input().split())

#

# arr = [list(map(int, input().split())) for _ in range(n)]

# for i in range(m):

# for j in range(n):

# if arr[j][i] == 1 and j!=0 and i!=0:

# sum+=1

# arr[i-1][j] = 1

# arr[i+1][j] = 1

# arr[i][j-1] = 1

# arr[i][j+1] = 1

#

# for i in range(m):

# for j in range(n):

# print(arr[j][i], end = ' ')

# print()

# arr = []

# for i in range(11):

# v = list(map(int,input().split()))

# arr.append(v)

# for i in range(10):

# if arr[10][i]!=0:

# num = 0

# for j in range(9, -1, -1):

# if arr[j][i]>0:

# num = 1

# break

# elif arr[j][i]<0:

# num = -1

# break

# if num==1:

# print(i+1, 'crash', sep = ' ')

# elif num==-1:

# print(i+1, 'fall', sep = ' ')

# else:

# print(i+1, 'safe', sep = ' ')

n = int(input())

x = 0

y = n//2

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

for k in range(1,n*n+1) :

arr[x][y]=k

x-=1

if x<0:

`

y+=1

if y>=n:

for i in range(n):

for j in range(n):

print(arr[i][j], end = ' ')

print()