n, m = map(int, input().split()) a = [] for i in range(n): b = list(map(int, input().split())) a.append(b) for i in range(n): a[i][i] += m if(i != n - 1 - i): a[i][n - 1 - i] += m for i in range(n): for j in range(n): print(a[i][j], end = " ") print()