import sys
N, K = map(int, input().split())

if K == 0:
	print("-1")
	sys.exit()
	

A = [[0] * N for _ in range(N)]
B = [i for i in range(1, N*N+1)]
B = B[(N*N-K):] + B[:(N*N-K)]
idx = 0

for i in range(N):
	for j in range(i):
		A[i][j] = B[idx]
		idx += 1
		
	for j in range(i):
		A[j][i] = B[idx]
		idx += 1
		
	A[i][i] = B[idx]
	idx += 1
	
for ai in A:
	print(*ai)