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