import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

N,K = map(int,readline().split())

def solve(N,K):
    if N % 2 == 0:
        solve_even(N,K)
    else:
        solve_odd(N,K)

def solve_even(N,K):
    if N % (K * 2) != 0:
        print('No')
        return
    A = list(range(1,N+1))
    M = N // 2
    pairs = ['{} {}'.format(x,y) for x,y in zip(A[:M], A[M:][::-1])]
    size = M // K
    for i in range(K):
        print(' '.join(pairs[i*size:i*size+size]))
    return

def solve_odd(N,K):
    raise

solve(N,K)