{{b[1], b[2], 2*b[1] - 5*b[2], 2*b[1] - 5*b[2]}, {-b[1], -b[1] + b[2], 2*b[1] - 4*b[2], 3*b[1] - 6*b[2]}, {-b[2], b[1] - b[2], (5*b[1])/2 - (11*b[2])/2, (3*b[1])/2 - (7*b[2])/2}, {-2*b[1] + 4*b[2], -3*b[1] + 6*b[2], (-3*b[1])/2 + (5*b[2])/2, (-5*b[1])/2 + (5*b[2])/2}, {(-5*b[1])/2 + (11*b[2])/2, (3*b[1])/2 - (5*b[2])/2, b[1]/2 - (3*b[2])/2, b[1]/2 - (3*b[2])/2}, {-2*b[1] + 5*b[2], -2*b[1] + 5*b[2], (5*b[1])/2 - (9*b[2])/2, (5*b[1])/2 - (9*b[2])/2}, {(5*b[1])/2 - (5*b[2])/2, (-5*b[1])/2 + (9*b[2])/2, (-5*b[1])/2 + (9*b[2])/2, (-3*b[1])/2 + (7*b[2])/2}, {(-3*b[1])/2 + (7*b[2])/2, -1/2*b[1] + (3*b[2])/2, -1/2*b[1] + (3*b[2])/2, (3*b[1])/2 - (7*b[2])/2}}
{{b[1], b[2], 2*b[1] - 5*b[2], 2*b[1] - 5*b[2]}, {-b[1], -b[1] + b[2], 3*b[1] - 6*b[2], 2*b[1] - 4*b[2]}, {-b[2], b[1] - b[2], (5*b[1])/2 - (11*b[2])/2, (3*b[1])/2 - (7*b[2])/2}, {-3*b[1] + 6*b[2], -2*b[1] + 4*b[2], (-3*b[1])/2 + (5*b[2])/2, (-5*b[1])/2 + (5*b[2])/2}, {(-5*b[1])/2 + (11*b[2])/2, (3*b[1])/2 - (5*b[2])/2, b[1]/2 - (3*b[2])/2, b[1]/2 - (3*b[2])/2}, {-2*b[1] + 5*b[2], -2*b[1] + 5*b[2], (5*b[1])/2 - (9*b[2])/2, (5*b[1])/2 - (9*b[2])/2}, {(5*b[1])/2 - (5*b[2])/2, (-5*b[1])/2 + (9*b[2])/2, (-5*b[1])/2 + (9*b[2])/2, (-3*b[1])/2 + (7*b[2])/2}, {(-3*b[1])/2 + (7*b[2])/2, -1/2*b[1] + (3*b[2])/2, -1/2*b[1] + (3*b[2])/2, (3*b[1])/2 - (7*b[2])/2}}