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