{{b[1], b[2], b[2], b[3]}, {-b[1], b[1]/3 + b[2] - b[3]/3, b[1]/3 + b[2] - b[3]/3, (-2*b[1])/3 + (5*b[3])/3}, {-b[2], -b[2], (2*b[1])/3 + b[3]/3, b[1]/3 + (2*b[3])/3}, {-1/3*b[1] - b[2] + b[3]/3, -1/3*b[1] - b[2] + b[3]/3, -b[1] + b[3], (-2*b[1])/3 + (2*b[3])/3}, {(-2*b[1])/3 - b[3]/3, b[1] - b[3], -1/3*b[1] - 2*b[2] + (4*b[3])/3, -1/3*b[1] + b[3]/3}, {(2*b[1])/3 - (5*b[3])/3, b[1]/3 + 2*b[2] - (4*b[3])/3, -1/3*b[1] + b[3]/3, -1/3*b[1] + b[3]/3}, {-b[3], b[1]/3 - b[3]/3, b[1]/3 - b[3]/3, b[1]/3 + 2*b[2] - (4*b[3])/3}, {-1/3*b[1] - (2*b[3])/3, (2*b[1])/3 - (2*b[3])/3, b[1]/3 - b[3]/3, -1/3*b[1] - 2*b[2] + (4*b[3])/3}}