{{b[1], b[2], -2*b[1] + 5*b[2], -3*b[1] + 7*b[2]}, {-b[1], -b[1] + 2*b[2], -b[1] + 3*b[2], -3*b[1] + 8*b[2]}, {-b[2], b[1] - 2*b[2], -4*b[1] + 8*b[2], -b[1] + 4*b[2]}, {2*b[1] - 5*b[2], 4*b[1] - 8*b[2], -2*b[1] + 4*b[2], 2*b[2]}, {3*b[1] - 7*b[2], 2*b[1] - 4*b[2], b[1] - b[2], 2*b[1] - 3*b[2]}, {-2*b[2], -b[1] + b[2], 3*b[1] - 6*b[2], 2*b[1] - 4*b[2]}, {b[1] - 3*b[2], b[1] - 4*b[2], -3*b[1] + 6*b[2], -b[1] + 2*b[2]}, {3*b[1] - 8*b[2], -2*b[1] + 3*b[2], -2*b[1] + 4*b[2], b[1] - 2*b[2]}}
{{b[1], b[2], -1/2*b[1] + (3*b[2])/2, -b[1] + 4*b[2]}, {-b[1], -1/2*b[1] + b[2]/2, -1/2*b[1] + (5*b[2])/2, -1/2*b[1] + (7*b[2])/2}, {-b[2], b[1]/2 - b[2]/2, -b[1] + 2*b[2], 4*b[2]}, {b[1]/2 - (3*b[2])/2, b[1] - 2*b[2], b[2], 3*b[2]}, {b[1] - 4*b[2], -b[2], 2*b[2], b[1]/2 + (3*b[2])/2}, {-3*b[2], -2*b[2], b[1] - b[2], b[1]/2 + b[2]/2}, {b[1]/2 - (5*b[2])/2, -4*b[2], -b[1] + b[2], 2*b[2]}, {b[1]/2 - (7*b[2])/2, -1/2*b[1] - (3*b[2])/2, -1/2*b[1] - b[2]/2, -2*b[2]}}