My_Spiral

n = int(input())
res = [[0]*n for i in range(n)]


tmp = 0

# Заполнение матрицы 5х5 в 9 циклов
for i in range(0, n): #1
    res[0][i] = i+1
else:
    tmp += i+1

for i in range(0, n): #2
    res[i][n-1] = tmp+i
else:
    tmp += i

for i in range(0, n): #3
    res[n-1][n-1-i] = tmp+i
else:
    tmp += i

for i in range(0, n-1): #4
    res[n-1-i][0] = tmp+i
else:
    tmp += i

for i in range(0, n-1): #5
    res[1][i] = tmp+i
else:
    tmp += i

for i in range(1, n-1): #6
    res[i][n-2] = tmp+i-1
else:
    tmp += i

for i in range(1, n-1): #7
    res[n-2][n-1-i] = tmp+i-2
else:
    tmp += i

for i in range(1, n-2): #8
    res[n-1-i][1] = tmp+i-3
else:
    tmp += i

for i in range(2, n-2): #9
    res[2][i] = tmp+i-4
else:
    tmp += i+1

res2 = [[0]*n for i in range(n)]

'''
while True:
    for i in range(0, n): #1
        res2[0][i] = i+1
    else:
        tmp += i+1

    for i in range(0, n): #2
        res2[i][n-1] = tmp+i
    else:
        tmp += i

    for i in range(0, n): #3
        res2[n-1][n-1-i] = tmp+i
    else:
        tmp += i

    for i in range(0, n-1): #4
        res2[n-1-i][0] = tmp+i
    else:
        tmp += i
'''


for i in res:  # Печать матрицы
    print(' '.join(str(x) for x in i))