recurse2

def bar1(tocarry, toindex, fromindex, j, stop, n, replacement):
    while fromindex[j] < stop:
        if replacement:
            for k in range(j + 1, n):
                fromindex[k] = fromindex[j]
        else:
            for k in range(j + 1, n):
                fromindex[k] = fromindex[j] + k - j
        if (j + 1) == n:
            for k in range(n):
                tocarry[k][toindex[k]] = fromindex[k]
                toindex[k] += 1
        else:
            bar1(tocarry, toindex, fromindex, j + 1, stop, n, replacement)
        fromindex[j] += 1