def spiral_matrix(n):
m = [[0] * n for i in range(n)]
dx, dy = [0, 1, 0, -1], [1, 0, -1, 0]
x, y, c = 0, -1, 1
for i in range(n + n - 1):
for j in range((n + n - i) // 2):
x += dx[i % 4]
y += dy[i % 4]
m[x][y] = c
c += 1
return m
for i in spiral_matrix(5): print(*i)