from itertools import product

N, K = [int(s) for s in input().split()]

if K == 0:
    print(-1)
    exit()

grid = [[N * i + j for j in range(N)] * N for i in range(N)]
grid[(K - 1) // N][(K - 1) % N], grid[0][0] = grid[0][0], grid[(K - 1) // N][(K - 1) % N]

for i in range(N):
    for j in range(N):
        print(grid[i][j] + 1, end=" ")
    print()