def rot90(A):
    # 時計回りに90度回転
    return list(zip(*(A[::-1])))

def div(n):
    i = 1
    SS = set()
    while i * i <= n:
        if n % i == 0:
            SS.add(i)
            SS.add(n//i)
        i += 1
    return sorted(list(SS))

N, H = map(int, input().split())
flag = 0
if H > N // H:
    H = N // H
    flag = 1
    
D = div(N)
L = []
for d in D:
    L.extend([d] * d)
    
ans = []
W = N // H
for i in range(H):
    ans.append(L[i*W:(i+1)*W])
    
if flag:
    ans = rot90(ans)
    
for a in ans:
    print(*a)