import sys
readline = sys.stdin.readline

# T = int(readline())
# for _ in range(T):
#     ans = solve()
#     print(ans)

# n = int(readline())
# a = [int(i) for i in readline().split()]
# ab = [[int(i) for i in readline().split()] for _ in range()]
# S = readline().strip()
# b = [readline().strip() for _ in range()]

n,k = [int(i) for i in readline().split()]
b = [[0]*n for _ in range(n)]

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


i = j = 0
v = n*n-k+1
for _ in range(k):
    b[i][j] = v
    v += 1
    j += 1
    if j==n:
        j = 0
        i += 1

v = 1
for _ in range(n*n-k):
    b[i][j] = v
    v += 1
    j += 1
    if j==n:
        j = 0
        i += 1
    
for lst in b:
    print(*lst)