A plane P contains the line of intersection of the plane \(\overrightarrow{r} .( \^i+\^j+\^k )=6\) and \(\overrightarrow{r }.( 2\^i+3\^j+4\^k) = − 5\). If P passes through the point (0, 2, –2), then the square of distance of the point (12, 12, 18) from the plane P is