p = 28
    o = 10
    B = 8/3

    x = 0
    y = 1
    z = 0

    for i = 0 to 1000
        dx = o * (y - x)
        dy = x * (p - z) - y
        dz = x * y - B * z

        x = x + dx
        y = y + dy
        z = z + dz
    next