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