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