{{b[1], b[2], -1/2*b[1] + (3*b[2])/2, -1/2*b[1] + (3*b[2])/2}, {-b[1], -1/4*b[1] + b[2]/4, -1/4*b[1] + (5*b[2])/4, -1/2*b[1] + (5*b[2])/2}, {-b[2], b[1]/4 - b[2]/4, (3*b[1])/4 + b[2]/4, -b[1] + 3*b[2]}, {b[1]/2 - (3*b[2])/2, b[1]/2 - (3*b[2])/2, -1/2*b[1] + (5*b[2])/2, b[1]/2 + (3*b[2])/2}, {b[1]/4 - (5*b[2])/4, (-3*b[1])/4 - b[2]/4, (-3*b[1])/4 + (7*b[2])/4, -1/4*b[1] + (5*b[2])/4}, {b[1] - 3*b[2], b[1]/2 - (5*b[2])/2, b[1]/4 + (3*b[2])/4, b[1]/4 + (3*b[2])/4}, {-1/2*b[1] - (3*b[2])/2, (3*b[1])/4 - (7*b[2])/4, b[1]/2 - b[2]/2, (-3*b[1])/4 + (7*b[2])/4}, {b[1]/2 - (5*b[2])/2, b[1]/4 - (5*b[2])/4, -1/2*b[1] + b[2]/2, (-5*b[1])/4 + (9*b[2])/4}, {-1/4*b[1] - (3*b[2])/4, -1/4*b[1] - (3*b[2])/4, (3*b[1])/4 - (7*b[2])/4, (5*b[1])/4 - (9*b[2])/4}}
{{b[1], b[2], -2*b[1] + 3*b[2], -2*b[1] + 3*b[2]}, {-b[1], -b[1] + b[2], -b[1] + 2*b[2], -2*b[1] + 4*b[2]}, {-b[2], b[1] - b[2], b[2], -4*b[1] + 6*b[2]}, {2*b[1] - 3*b[2], 2*b[1] - 3*b[2], -2*b[1] + 4*b[2], -b[1] + 3*b[2]}, {b[1] - 2*b[2], -b[2], -3*b[1] + 4*b[2], -b[1] + 2*b[2]}, {4*b[1] - 6*b[2], 2*b[1] - 4*b[2], -1/2*b[1] + (3*b[2])/2, -1/2*b[1] + (3*b[2])/2}, {b[1] - 3*b[2], 3*b[1] - 4*b[2], b[1]/2 - b[2]/2, (-3*b[1])/2 + (5*b[2])/2}, {2*b[1] - 4*b[2], b[1] - 2*b[2], -1/2*b[1] + b[2]/2, (-7*b[1])/2 + (9*b[2])/2}, {b[1]/2 - (3*b[2])/2, b[1]/2 - (3*b[2])/2, (3*b[1])/2 - (5*b[2])/2, (7*b[1])/2 - (9*b[2])/2}}