Let the line passing through the points (-1, 2, 1) and parallel to the line $\frac{{x - 1}}{2} = \frac{{y + 1}}{3} = \frac{z}{4}$ intersect the line $\frac{{x + 2}}{3} = \frac{{y - 3}}{2} = \frac{{z - 4}}{1}$ at the point P. Then the distance of P from the point Q(4, -5, 1) is
