{{1 - b[2], b[2], 1, 1}, {-1 + b[2], b[2], b[2], 1}, {-b[2], 1 - b[2], 1 - b[2], 1}, {-b[2], -1 + b[2], b[2], 1 - b[2]}, {-1, -1, 1, 1}, {-b[2], -1 + b[2], b[2], 1 - b[2]}, {-1, -b[2], -b[2], 1 - b[2]}, {-1, -1 + b[2], -1 + b[2], b[2]}, {-1, -1, -1 + b[2], -b[2]}}