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