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