import sys
input = sys.stdin.readline

N,K=list(map(int,input().split()))

A=[[-1]*N for i in range(N)]

now=1
for i in range(N-1,-1,-1):
    for j in range(N-1,-1,-1):
        A[i][j]=now
        now+=1

now=N*N-K+1

for i in range(N):
    for j in range(N):
        if now<=N*N:
            A[i][j]=now
            now+=1

if K==0:
    print(-1)
else:
    for a in A:
        print(*a)