{{5 + 3*b[2], b[2], 1 + b[2], 1 + b[2]}, {-5 - 3*b[2], -1, -1, 4 + 3*b[2]}, {1, 1, -2, -1}, {-b[2], 2, 3 + b[2], 2}, {-1 - b[2], -1 - b[2], 6 + 4*b[2], 1 + 2*b[2]}, {-4 - 3*b[2], -3 - b[2], -2 - b[2], -2 - b[2]}, {-6 - 4*b[2], 2 + b[2], 2 + b[2], -5 - 2*b[2]}, {1, -2, -1 - 2*b[2], 5 + 2*b[2]}}