spiral_matrix

rows, cols = map(int, input().split())

mtrx = [[0 for _ in range(cols)] for __ in range(rows)]
mtrx[0][0] = 1
ro, co = 0, 1
row, col = 0, 0
for n in range(2, cols * rows + 1):
    if 0 <= row + ro < rows and 0 <= col + co < cols \
            and mtrx[row + ro][col + co] == 0:
        row += ro
        col += co
        mtrx[row][col] = n
        continue

    if ro and (not 0 <= row + ro < rows or mtrx[row + ro][col]):
        co = -1 if ro == 1 else 1
        ro = 0

    if co and (not 0 <= col + co < cols or mtrx[row][col + co]):
        ro = 1 if co == 1 else -1
        co = 0
    row += ro
    col += co
    mtrx[row][col] = n

for row in mtrx:
    print(*row)