{{b[1], b[2], b[3], b[3]}, {-b[1], (b[2] - b[3])/4, (b[2] - b[3])/4, (b[2] + 5*b[3])/2}, {(-b[2] + b[3])/4, (-b[2] + b[3])/4, (-4*b[1] + 3*b[2] + b[3])/4, (b[2] + 7*b[3])/4}, {-b[2], b[1] - (3*b[2])/4 - b[3]/4, (b[2] + 3*b[3])/4, (b[2] + 3*b[3])/2}, {-b[3], -b[3], (2*b[1] + b[2] + b[3])/4, (2*b[1] + 3*b[2] + 7*b[3])/4}, {(-b[2] - 7*b[3])/4, (-2*b[1] - b[2] - b[3])/4, b[3], (-b[1] + b[2])/2}, {(-b[2] - 5*b[3])/2, -b[3], (-2*b[1] + b[2] + b[3])/4, (-2*b[1] + b[2] + b[3])/4}, {(-2*b[1] - 3*b[2] - 7*b[3])/4, (2*b[1] - b[2] - b[3])/4, (2*b[1] - b[2] - b[3])/4, (-2*b[1] + 3*b[2] - 5*b[3])/4}, {(-b[2] - 3*b[3])/4, (-b[2] - 3*b[3])/2, (b[1] - b[2])/2, (2*b[1] - 3*b[2] + 5*b[3])/4}}
{{b[1], b[2], b[3], b[3]}, {-b[1], (b[2] - b[3])/4, (b[2] - b[3])/4, (b[2] + 5*b[3])/2}, {(-b[2] + b[3])/4, (-b[2] + b[3])/4, (-4*b[1] + 3*b[2] + b[3])/4, (b[2] + 7*b[3])/4}, {-b[2], b[1] - (3*b[2])/4 - b[3]/4, (b[2] + 3*b[3])/2, (b[2] + 3*b[3])/4}, {-b[3], -b[3], (2*b[1] + b[2] + b[3])/4, (2*b[1] + 3*b[2] + 7*b[3])/4}, {(-b[2] - 7*b[3])/4, (-2*b[1] - b[2] - b[3])/4, b[3], (-b[1] + b[2])/2}, {(-b[2] - 5*b[3])/2, -b[3], (-2*b[1] + b[2] + b[3])/4, (-2*b[1] + b[2] + b[3])/4}, {(-2*b[1] - 3*b[2] - 7*b[3])/4, (2*b[1] - b[2] - b[3])/4, (2*b[1] - b[2] - b[3])/4, (-2*b[1] + 3*b[2] - 5*b[3])/4}, {(-b[2] - 3*b[3])/2, (-b[2] - 3*b[3])/4, (b[1] - b[2])/2, (2*b[1] - 3*b[2] + 5*b[3])/4}}