[-4, 0, 0, 0] p1 [2, 0, 6, 0] p4 [-1, -3, -3, 1] q2 [2, 0, 0, 2] q3 [2, 0, 0, -2] q3* [-3, -3, -3, -1] q4 [-3, -3, 3, 1] q5 [-2, 0, -6, 0] s1 [-2, -6, 0, 0] s2 [-4, -6, 0, 2] s3 [-2, 0, 0, 2] s4 [-4, 0, 6, 2] s5 [2, 0, 12, 2] s6 [-4, 0, -6, 2] s7 [-3, 3, -3, 1] s8 [-1, -3, 3, 3] s9 [0, -6, -6, 0] s10 [0, 6, 6, 0] s11 [1, 3, 9, 1] s12 [3, -3, 3, -1] s13 [1, -3, 3, 1] s14 [0, -6, 6, 0] s15 [-6, -6, 0, 0] s16 [-2, -6, 0, 4] s17 [-3, -3, -3, 3] s18