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def isZeros(matrix):
    for char in matrix:
        if 0 in char:
            return True
    return False


def check():
    global DOWNSIDE, UPSIDE, LEFTSIDE, RIGHTSIDE, DOWNDIAG, UPDIAG
    if i == 0:
        DOWNSIDE = False
        UPSIDE = True
    if i == N - 1:
        DOWNSIDE = True
        UPSIDE = False
    if i != N - 1 and i != 0:
        DOWNSIDE = False
        UPSIDE = False
    if j == 0:
        LEFTSIDE = True
        RIGHTSIDE = False
    if j == M - 1:
        RIGHTSIDE = True
        LEFTSIDE = False
    if j != M - 1 and j != 0:
        LEFTSIDE = False
        RIGHTSIDE = False


N, M = map(int, input().split())

matrix = [[0] * M for _ in range(N)]

i = 0
j = 0

UPSIDE = True
DOWNSIDE = False
LEFTSIDE = True
RIGHTSIDE = False
UPDIAG = False
DOWNDIAG = True

num = 1

while isZeros(matrix):
    if matrix[i][j] == 0:
        matrix[i][j] = num
        num += 1
    if (i < N - 1 and LEFTSIDE and DOWNDIAG) or (i < N - 1 and RIGHTSIDE and UPDIAG):
        i += 1
        if LEFTSIDE:
            DOWNDIAG = False
            UPDIAG = True
        if RIGHTSIDE:
            DOWNDIAG = True
            UPDIAG = False
        check()
        continue
    elif (j < M - 1 and UPSIDE and UPDIAG) or (j < M - 1 and DOWNSIDE and DOWNDIAG):
        j += 1
        if UPSIDE:
            DOWNDIAG = True
            UPDIAG = False
        if DOWNSIDE:
            DOWNDIAG = False
            UPDIAG = True
        check()
        continue
    elif i > 0 and j < M - 1 and UPDIAG:
        i -= 1
        j += 1
        check()
        continue
    elif i < N - 1 and j > 0 and DOWNDIAG:
        i += 1
        j -= 1
        check()
        continue

for char in matrix:
    print(*char)