#!/usr/bin/env python3.8
# %%
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines


# %%
import numpy as np

# %%
N = int(read())

# %%
M = N // 2
A = np.empty((N, N), np.int32)
A[:M, :M] = np.arange(1, N * N // 2, 2).reshape(M, M)
A[M:, M:] = np.arange(2, N * N // 2 + 1, 2).reshape(M, M)
A[:M, M:] = np.arange(N * N // 2 + 1, N * N, 2).reshape(M, M)[:,::-1]
A[M:, :M] = np.arange(N * N // 2 + 2, N * N + 1, 2).reshape(M, M)[:,::-1]


# %%
print('\n'.join(' '.join(row) for row in A.astype(str)))