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