{{b[1], b[2], b[2], -1/2*b[1] + 4*b[2]}, {-b[1], -1/2*b[1] + 2*b[2], 2*b[2], 2*b[2]}, {-b[2], -b[2], b[1]/4 + 2*b[2], b[1]/4 + 2*b[2]}, {b[1]/2 - 4*b[2], b[1]/2 - 2*b[2], b[1]/2 - b[2], b[1] - 3*b[2]}, {-1/4*b[1] - 2*b[2], -1/4*b[1] - 2*b[2], b[1]/4 + b[2], b[1]/4 + b[2]}, {-1/2*b[1] + b[2], -1/4*b[1] - b[2], -1/4*b[1] - b[2], b[1]/2 - 3*b[2]}, {-2*b[2], -2*b[2], -b[1] + 3*b[2], -1/2*b[1] + 3*b[2]}}
{{b[1], b[2], b[2], (-3*b[1])/5 + (4*b[2])/5}, {-b[1], (-7*b[1])/5 + (6*b[2])/5, (2*b[1])/5 + (4*b[2])/5, (2*b[1])/5 + (4*b[2])/5}, {-b[2], -b[2], b[1]/5 + (7*b[2])/5, b[1]/5 + (7*b[2])/5}, {(3*b[1])/5 - (4*b[2])/5, (7*b[1])/5 - (6*b[2])/5, (6*b[1])/5 + (2*b[2])/5, (4*b[1])/5 - (2*b[2])/5}, {-1/5*b[1] - (7*b[2])/5, -1/5*b[1] - (7*b[2])/5, b[1]/5 + (2*b[2])/5, b[1]/5 + (2*b[2])/5}, {(-6*b[1])/5 - (2*b[2])/5, -1/5*b[1] - (2*b[2])/5, -1/5*b[1] - (2*b[2])/5, (4*b[1])/5 - (12*b[2])/5}, {(-2*b[1])/5 - (4*b[2])/5, (-2*b[1])/5 - (4*b[2])/5, (-4*b[1])/5 + (2*b[2])/5, (-4*b[1])/5 + (12*b[2])/5}}