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)] for i in range(N)]
grid[(N**2 - K) // N][(N**2 - K) % N], grid[0][0] = grid[0][0], grid[(N**2 - K) // N][(N**2 - K) % N]

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