{{b[1], b[2], 2*b[2], b[1]/4 + (3*b[2])/4}, {-b[1], -1/4*b[1] + b[2]/4, b[1]/8 + (7*b[2])/8, (3*b[1])/8 + (21*b[2])/8}, {-b[2], -2*b[2], (5*b[1])/8 + (11*b[2])/8, (5*b[1])/8 + (11*b[2])/8}, {(-5*b[1])/8 - (11*b[2])/8, (-5*b[1])/8 - (11*b[2])/8, (3*b[1])/4 - (3*b[2])/4, b[1]/2 + b[2]/2}, {-1/4*b[1] - (3*b[2])/4, b[1]/4 - b[2]/4, (3*b[1])/8 + (13*b[2])/8, (3*b[1])/8 + (13*b[2])/8}, {(-3*b[1])/8 - (13*b[2])/8, (-3*b[1])/8 - (13*b[2])/8, b[1]/4 + (3*b[2])/4, b[1]/2 + (3*b[2])/2}, {-1/8*b[1] - (7*b[2])/8, (-3*b[1])/8 - (21*b[2])/8, (-3*b[1])/4 + (3*b[2])/4, -1/4*b[1] + (5*b[2])/4}, {-1/2*b[1] - b[2]/2, -1/4*b[1] - (3*b[2])/4, -1/2*b[1] - (3*b[2])/2, b[1]/4 - (5*b[2])/4}}
{{b[1], b[2], 2*b[2], b[1]/4 + (3*b[2])/4}, {-b[1], -1/4*b[1] + b[2]/4, b[1]/8 + (7*b[2])/8, (3*b[1])/8 + (21*b[2])/8}, {-b[2], -2*b[2], (5*b[1])/8 + (11*b[2])/8, (5*b[1])/8 + (11*b[2])/8}, {(-5*b[1])/8 - (11*b[2])/8, (-5*b[1])/8 - (11*b[2])/8, (3*b[1])/4 - (3*b[2])/4, b[1]/2 + b[2]/2}, {-1/4*b[1] - (3*b[2])/4, b[1]/4 - b[2]/4, (3*b[1])/8 + (13*b[2])/8, (3*b[1])/8 + (13*b[2])/8}, {(-3*b[1])/8 - (13*b[2])/8, (-3*b[1])/8 - (13*b[2])/8, b[1]/2 + (3*b[2])/2, b[1]/4 + (3*b[2])/4}, {-1/8*b[1] - (7*b[2])/8, (-3*b[1])/8 - (21*b[2])/8, (-3*b[1])/4 + (3*b[2])/4, -1/4*b[1] + (5*b[2])/4}, {-1/2*b[1] - b[2]/2, -1/2*b[1] - (3*b[2])/2, -1/4*b[1] - (3*b[2])/4, b[1]/4 - (5*b[2])/4}}
{{b[1], b[2], 2*b[2], b[1]/4 + (3*b[2])/4}, {-b[1], -1/4*b[1] + b[2]/4, (3*b[1])/8 + (21*b[2])/8, b[1]/8 + (7*b[2])/8}, {-b[2], -2*b[2], (5*b[1])/8 + (11*b[2])/8, (5*b[1])/8 + (11*b[2])/8}, {(-5*b[1])/8 - (11*b[2])/8, (-5*b[1])/8 - (11*b[2])/8, (3*b[1])/4 - (3*b[2])/4, b[1]/2 + b[2]/2}, {-1/4*b[1] - (3*b[2])/4, b[1]/4 - b[2]/4, (3*b[1])/8 + (13*b[2])/8, (3*b[1])/8 + (13*b[2])/8}, {(-3*b[1])/8 - (13*b[2])/8, (-3*b[1])/8 - (13*b[2])/8, b[1]/4 + (3*b[2])/4, b[1]/2 + (3*b[2])/2}, {(-3*b[1])/8 - (21*b[2])/8, -1/8*b[1] - (7*b[2])/8, (-3*b[1])/4 + (3*b[2])/4, -1/4*b[1] + (5*b[2])/4}, {-1/2*b[1] - b[2]/2, -1/4*b[1] - (3*b[2])/4, -1/2*b[1] - (3*b[2])/2, b[1]/4 - (5*b[2])/4}}
{{b[1], b[2], 2*b[2], b[1]/4 + (3*b[2])/4}, {-b[1], -1/4*b[1] + b[2]/4, (3*b[1])/8 + (21*b[2])/8, b[1]/8 + (7*b[2])/8}, {-b[2], -2*b[2], (5*b[1])/8 + (11*b[2])/8, (5*b[1])/8 + (11*b[2])/8}, {(-5*b[1])/8 - (11*b[2])/8, (-5*b[1])/8 - (11*b[2])/8, (3*b[1])/4 - (3*b[2])/4, b[1]/2 + b[2]/2}, {-1/4*b[1] - (3*b[2])/4, b[1]/4 - b[2]/4, (3*b[1])/8 + (13*b[2])/8, (3*b[1])/8 + (13*b[2])/8}, {(-3*b[1])/8 - (13*b[2])/8, (-3*b[1])/8 - (13*b[2])/8, b[1]/2 + (3*b[2])/2, b[1]/4 + (3*b[2])/4}, {(-3*b[1])/8 - (21*b[2])/8, -1/8*b[1] - (7*b[2])/8, (-3*b[1])/4 + (3*b[2])/4, -1/4*b[1] + (5*b[2])/4}, {-1/2*b[1] - b[2]/2, -1/2*b[1] - (3*b[2])/2, -1/4*b[1] - (3*b[2])/4, b[1]/4 - (5*b[2])/4}}
{{b[1], b[2], 2*b[2], -1/2*b[1] + (3*b[2])/2}, {-b[1], (-3*b[1])/2 + (3*b[2])/2, b[1]/4 + (3*b[2])/4, (3*b[1])/4 + (9*b[2])/4}, {-b[2], -2*b[2], b[1]/4 + (7*b[2])/4, b[1]/4 + (7*b[2])/4}, {-1/4*b[1] - (7*b[2])/4, -1/4*b[1] - (7*b[2])/4, b[1]/2 - b[2]/2, b[2]}, {b[1]/2 - (3*b[2])/2, (3*b[1])/2 - (3*b[2])/2, -1/4*b[1] + (9*b[2])/4, -1/4*b[1] + (9*b[2])/4}, {b[1]/4 - (9*b[2])/4, b[1]/4 - (9*b[2])/4, b[1]/2 + b[2]/2, b[1] + b[2]}, {-1/4*b[1] - (3*b[2])/4, (-3*b[1])/4 - (9*b[2])/4, -1/2*b[1] + b[2]/2, (-3*b[1])/2 + (5*b[2])/2}, {-b[2], -1/2*b[1] - b[2]/2, -b[1] - b[2], (3*b[1])/2 - (5*b[2])/2}}
{{b[1], b[2], 2*b[2], -1/2*b[1] + (3*b[2])/2}, {-b[1], (-3*b[1])/2 + (3*b[2])/2, b[1]/4 + (3*b[2])/4, (3*b[1])/4 + (9*b[2])/4}, {-b[2], -2*b[2], b[1]/4 + (7*b[2])/4, b[1]/4 + (7*b[2])/4}, {-1/4*b[1] - (7*b[2])/4, -1/4*b[1] - (7*b[2])/4, b[1]/2 - b[2]/2, b[2]}, {b[1]/2 - (3*b[2])/2, (3*b[1])/2 - (3*b[2])/2, -1/4*b[1] + (9*b[2])/4, -1/4*b[1] + (9*b[2])/4}, {b[1]/4 - (9*b[2])/4, b[1]/4 - (9*b[2])/4, b[1] + b[2], b[1]/2 + b[2]/2}, {-1/4*b[1] - (3*b[2])/4, (-3*b[1])/4 - (9*b[2])/4, -1/2*b[1] + b[2]/2, (-3*b[1])/2 + (5*b[2])/2}, {-b[2], -b[1] - b[2], -1/2*b[1] - b[2]/2, (3*b[1])/2 - (5*b[2])/2}}
{{b[1], b[2], 2*b[2], -1/2*b[1] + (3*b[2])/2}, {-b[1], (-3*b[1])/2 + (3*b[2])/2, (3*b[1])/4 + (9*b[2])/4, b[1]/4 + (3*b[2])/4}, {-b[2], -2*b[2], b[1]/4 + (7*b[2])/4, b[1]/4 + (7*b[2])/4}, {-1/4*b[1] - (7*b[2])/4, -1/4*b[1] - (7*b[2])/4, b[1]/2 - b[2]/2, b[2]}, {b[1]/2 - (3*b[2])/2, (3*b[1])/2 - (3*b[2])/2, -1/4*b[1] + (9*b[2])/4, -1/4*b[1] + (9*b[2])/4}, {b[1]/4 - (9*b[2])/4, b[1]/4 - (9*b[2])/4, b[1]/2 + b[2]/2, b[1] + b[2]}, {(-3*b[1])/4 - (9*b[2])/4, -1/4*b[1] - (3*b[2])/4, -1/2*b[1] + b[2]/2, (-3*b[1])/2 + (5*b[2])/2}, {-b[2], -1/2*b[1] - b[2]/2, -b[1] - b[2], (3*b[1])/2 - (5*b[2])/2}}
{{b[1], b[2], 2*b[2], -1/2*b[1] + (3*b[2])/2}, {-b[1], (-3*b[1])/2 + (3*b[2])/2, (3*b[1])/4 + (9*b[2])/4, b[1]/4 + (3*b[2])/4}, {-b[2], -2*b[2], b[1]/4 + (7*b[2])/4, b[1]/4 + (7*b[2])/4}, {-1/4*b[1] - (7*b[2])/4, -1/4*b[1] - (7*b[2])/4, b[1]/2 - b[2]/2, b[2]}, {b[1]/2 - (3*b[2])/2, (3*b[1])/2 - (3*b[2])/2, -1/4*b[1] + (9*b[2])/4, -1/4*b[1] + (9*b[2])/4}, {b[1]/4 - (9*b[2])/4, b[1]/4 - (9*b[2])/4, b[1] + b[2], b[1]/2 + b[2]/2}, {(-3*b[1])/4 - (9*b[2])/4, -1/4*b[1] - (3*b[2])/4, -1/2*b[1] + b[2]/2, (-3*b[1])/2 + (5*b[2])/2}, {-b[2], -b[1] - b[2], -1/2*b[1] - b[2]/2, (3*b[1])/2 - (5*b[2])/2}}
{{b[1], b[2], b[2]/2, b[1]/4 + (3*b[2])/8}, {-b[1], -1/4*b[1] + b[2]/8, b[1]/8 + (7*b[2])/16, (3*b[1])/8 + (21*b[2])/16}, {-b[2], -1/2*b[2], (5*b[1])/8 + (11*b[2])/16, (5*b[1])/8 + (11*b[2])/16}, {(-5*b[1])/8 - (11*b[2])/16, (-5*b[1])/8 - (11*b[2])/16, (3*b[1])/4 - (3*b[2])/8, b[1]/2 + b[2]/4}, {-1/4*b[1] - (3*b[2])/8, b[1]/4 - b[2]/8, (3*b[1])/8 + (13*b[2])/16, (3*b[1])/8 + (13*b[2])/16}, {(-3*b[1])/8 - (13*b[2])/16, (-3*b[1])/8 - (13*b[2])/16, b[1]/4 + (3*b[2])/8, b[1]/2 + (3*b[2])/4}, {-1/8*b[1] - (7*b[2])/16, (-3*b[1])/8 - (21*b[2])/16, (-3*b[1])/4 + (3*b[2])/8, -1/4*b[1] + (5*b[2])/8}, {-1/2*b[1] - b[2]/4, -1/4*b[1] - (3*b[2])/8, -1/2*b[1] - (3*b[2])/4, b[1]/4 - (5*b[2])/8}}
{{b[1], b[2], b[2]/2, b[1]/4 + (3*b[2])/8}, {-b[1], -1/4*b[1] + b[2]/8, b[1]/8 + (7*b[2])/16, (3*b[1])/8 + (21*b[2])/16}, {-b[2], -1/2*b[2], (5*b[1])/8 + (11*b[2])/16, (5*b[1])/8 + (11*b[2])/16}, {(-5*b[1])/8 - (11*b[2])/16, (-5*b[1])/8 - (11*b[2])/16, (3*b[1])/4 - (3*b[2])/8, b[1]/2 + b[2]/4}, {-1/4*b[1] - (3*b[2])/8, b[1]/4 - b[2]/8, (3*b[1])/8 + (13*b[2])/16, (3*b[1])/8 + (13*b[2])/16}, {(-3*b[1])/8 - (13*b[2])/16, (-3*b[1])/8 - (13*b[2])/16, b[1]/2 + (3*b[2])/4, b[1]/4 + (3*b[2])/8}, {-1/8*b[1] - (7*b[2])/16, (-3*b[1])/8 - (21*b[2])/16, (-3*b[1])/4 + (3*b[2])/8, -1/4*b[1] + (5*b[2])/8}, {-1/2*b[1] - b[2]/4, -1/2*b[1] - (3*b[2])/4, -1/4*b[1] - (3*b[2])/8, b[1]/4 - (5*b[2])/8}}
{{b[1], b[2], b[2]/2, b[1]/4 + (3*b[2])/8}, {-b[1], -1/4*b[1] + b[2]/8, (3*b[1])/8 + (21*b[2])/16, b[1]/8 + (7*b[2])/16}, {-b[2], -1/2*b[2], (5*b[1])/8 + (11*b[2])/16, (5*b[1])/8 + (11*b[2])/16}, {(-5*b[1])/8 - (11*b[2])/16, (-5*b[1])/8 - (11*b[2])/16, (3*b[1])/4 - (3*b[2])/8, b[1]/2 + b[2]/4}, {-1/4*b[1] - (3*b[2])/8, b[1]/4 - b[2]/8, (3*b[1])/8 + (13*b[2])/16, (3*b[1])/8 + (13*b[2])/16}, {(-3*b[1])/8 - (13*b[2])/16, (-3*b[1])/8 - (13*b[2])/16, b[1]/4 + (3*b[2])/8, b[1]/2 + (3*b[2])/4}, {(-3*b[1])/8 - (21*b[2])/16, -1/8*b[1] - (7*b[2])/16, (-3*b[1])/4 + (3*b[2])/8, -1/4*b[1] + (5*b[2])/8}, {-1/2*b[1] - b[2]/4, -1/4*b[1] - (3*b[2])/8, -1/2*b[1] - (3*b[2])/4, b[1]/4 - (5*b[2])/8}}
{{b[1], b[2], b[2]/2, b[1]/4 + (3*b[2])/8}, {-b[1], -1/4*b[1] + b[2]/8, (3*b[1])/8 + (21*b[2])/16, b[1]/8 + (7*b[2])/16}, {-b[2], -1/2*b[2], (5*b[1])/8 + (11*b[2])/16, (5*b[1])/8 + (11*b[2])/16}, {(-5*b[1])/8 - (11*b[2])/16, (-5*b[1])/8 - (11*b[2])/16, (3*b[1])/4 - (3*b[2])/8, b[1]/2 + b[2]/4}, {-1/4*b[1] - (3*b[2])/8, b[1]/4 - b[2]/8, (3*b[1])/8 + (13*b[2])/16, (3*b[1])/8 + (13*b[2])/16}, {(-3*b[1])/8 - (13*b[2])/16, (-3*b[1])/8 - (13*b[2])/16, b[1]/2 + (3*b[2])/4, b[1]/4 + (3*b[2])/8}, {(-3*b[1])/8 - (21*b[2])/16, -1/8*b[1] - (7*b[2])/16, (-3*b[1])/4 + (3*b[2])/8, -1/4*b[1] + (5*b[2])/8}, {-1/2*b[1] - b[2]/4, -1/2*b[1] - (3*b[2])/4, -1/4*b[1] - (3*b[2])/8, b[1]/4 - (5*b[2])/8}}
{{b[1], b[2], b[2]/2, -1/2*b[1] + (3*b[2])/4}, {-b[1], (-3*b[1])/2 + (3*b[2])/4, b[1]/4 + (3*b[2])/8, (3*b[1])/4 + (9*b[2])/8}, {-b[2], -1/2*b[2], b[1]/4 + (7*b[2])/8, b[1]/4 + (7*b[2])/8}, {-1/4*b[1] - (7*b[2])/8, -1/4*b[1] - (7*b[2])/8, b[1]/2 - b[2]/4, b[2]/2}, {b[1]/2 - (3*b[2])/4, (3*b[1])/2 - (3*b[2])/4, -1/4*b[1] + (9*b[2])/8, -1/4*b[1] + (9*b[2])/8}, {b[1]/4 - (9*b[2])/8, b[1]/4 - (9*b[2])/8, b[1]/2 + b[2]/4, b[1] + b[2]/2}, {-1/4*b[1] - (3*b[2])/8, (-3*b[1])/4 - (9*b[2])/8, -1/2*b[1] + b[2]/4, (-3*b[1])/2 + (5*b[2])/4}, {-1/2*b[2], -1/2*b[1] - b[2]/4, -b[1] - b[2]/2, (3*b[1])/2 - (5*b[2])/4}}
{{b[1], b[2], b[2]/2, -1/2*b[1] + (3*b[2])/4}, {-b[1], (-3*b[1])/2 + (3*b[2])/4, b[1]/4 + (3*b[2])/8, (3*b[1])/4 + (9*b[2])/8}, {-b[2], -1/2*b[2], b[1]/4 + (7*b[2])/8, b[1]/4 + (7*b[2])/8}, {-1/4*b[1] - (7*b[2])/8, -1/4*b[1] - (7*b[2])/8, b[1]/2 - b[2]/4, b[2]/2}, {b[1]/2 - (3*b[2])/4, (3*b[1])/2 - (3*b[2])/4, -1/4*b[1] + (9*b[2])/8, -1/4*b[1] + (9*b[2])/8}, {b[1]/4 - (9*b[2])/8, b[1]/4 - (9*b[2])/8, b[1] + b[2]/2, b[1]/2 + b[2]/4}, {-1/4*b[1] - (3*b[2])/8, (-3*b[1])/4 - (9*b[2])/8, -1/2*b[1] + b[2]/4, (-3*b[1])/2 + (5*b[2])/4}, {-1/2*b[2], -b[1] - b[2]/2, -1/2*b[1] - b[2]/4, (3*b[1])/2 - (5*b[2])/4}}
{{b[1], b[2], b[2]/2, -1/2*b[1] + (3*b[2])/4}, {-b[1], (-3*b[1])/2 + (3*b[2])/4, (3*b[1])/4 + (9*b[2])/8, b[1]/4 + (3*b[2])/8}, {-b[2], -1/2*b[2], b[1]/4 + (7*b[2])/8, b[1]/4 + (7*b[2])/8}, {-1/4*b[1] - (7*b[2])/8, -1/4*b[1] - (7*b[2])/8, b[1]/2 - b[2]/4, b[2]/2}, {b[1]/2 - (3*b[2])/4, (3*b[1])/2 - (3*b[2])/4, -1/4*b[1] + (9*b[2])/8, -1/4*b[1] + (9*b[2])/8}, {b[1]/4 - (9*b[2])/8, b[1]/4 - (9*b[2])/8, b[1]/2 + b[2]/4, b[1] + b[2]/2}, {(-3*b[1])/4 - (9*b[2])/8, -1/4*b[1] - (3*b[2])/8, -1/2*b[1] + b[2]/4, (-3*b[1])/2 + (5*b[2])/4}, {-1/2*b[2], -1/2*b[1] - b[2]/4, -b[1] - b[2]/2, (3*b[1])/2 - (5*b[2])/4}}
{{b[1], b[2], b[2]/2, -1/2*b[1] + (3*b[2])/4}, {-b[1], (-3*b[1])/2 + (3*b[2])/4, (3*b[1])/4 + (9*b[2])/8, b[1]/4 + (3*b[2])/8}, {-b[2], -1/2*b[2], b[1]/4 + (7*b[2])/8, b[1]/4 + (7*b[2])/8}, {-1/4*b[1] - (7*b[2])/8, -1/4*b[1] - (7*b[2])/8, b[1]/2 - b[2]/4, b[2]/2}, {b[1]/2 - (3*b[2])/4, (3*b[1])/2 - (3*b[2])/4, -1/4*b[1] + (9*b[2])/8, -1/4*b[1] + (9*b[2])/8}, {b[1]/4 - (9*b[2])/8, b[1]/4 - (9*b[2])/8, b[1] + b[2]/2, b[1]/2 + b[2]/4}, {(-3*b[1])/4 - (9*b[2])/8, -1/4*b[1] - (3*b[2])/8, -1/2*b[1] + b[2]/4, (-3*b[1])/2 + (5*b[2])/4}, {-1/2*b[2], -b[1] - b[2]/2, -1/2*b[1] - b[2]/4, (3*b[1])/2 - (5*b[2])/4}}
{{b[1], b[2], 3*b[2], b[2]}, {-b[1], -b[1] + 2*b[2], b[1]/2 + (3*b[2])/2, b[1]/2 + (3*b[2])/2}, {-b[2], -3*b[2], b[1]/2 + (3*b[2])/2, b[1]/2 + (3*b[2])/2}, {-1/2*b[1] - (3*b[2])/2, -1/2*b[1] - (3*b[2])/2, b[1]/2 - (3*b[2])/2, b[1]/2 + b[2]/2}, {-b[2], b[1] - 2*b[2], 2*b[2], 2*b[2]}, {-2*b[2], -2*b[2], b[1]/2 + b[2]/2, b[1]/2 + b[2]/2}, {-1/2*b[1] - (3*b[2])/2, -1/2*b[1] - (3*b[2])/2, -1/2*b[1] + (3*b[2])/2, -1/2*b[1] + (7*b[2])/2}, {-1/2*b[1] - b[2]/2, -1/2*b[1] - b[2]/2, -1/2*b[1] - b[2]/2, b[1]/2 - (7*b[2])/2}}
{{b[1], b[2], b[2], b[2]}, {-b[1], -1/2*b[1] + b[2]/2, b[1]/4 + (5*b[2])/4, b[1]/4 + (5*b[2])/4}, {-b[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, (3*b[1])/4 - (5*b[2])/4, b[1]/4 + b[2]/4}, {-b[2], b[1]/2 - b[2]/2, b[1]/4 + (5*b[2])/4, b[1]/4 + (5*b[2])/4}, {-1/4*b[1] - (5*b[2])/4, -1/4*b[1] - (5*b[2])/4, b[1]/4 + b[2]/4, (3*b[1])/4 + (3*b[2])/4}, {-1/4*b[1] - (5*b[2])/4, -1/4*b[1] - (5*b[2])/4, (-3*b[1])/4 + (5*b[2])/4, -1/4*b[1] + (7*b[2])/4}, {-1/4*b[1] - b[2]/4, -1/4*b[1] - b[2]/4, (-3*b[1])/4 - (3*b[2])/4, b[1]/4 - (7*b[2])/4}}
{{b[1], b[2], b[2], b[2]}, {-b[1], -1/2*b[1] + b[2]/2, b[1]/4 + (5*b[2])/4, b[1]/4 + (5*b[2])/4}, {-b[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, (3*b[1])/4 - (5*b[2])/4, b[1]/4 + b[2]/4}, {-b[2], b[1]/2 - b[2]/2, b[1]/4 + (5*b[2])/4, b[1]/4 + (5*b[2])/4}, {-1/4*b[1] - (5*b[2])/4, -1/4*b[1] - (5*b[2])/4, (3*b[1])/4 + (3*b[2])/4, b[1]/4 + b[2]/4}, {-1/4*b[1] - (5*b[2])/4, -1/4*b[1] - (5*b[2])/4, (-3*b[1])/4 + (5*b[2])/4, -1/4*b[1] + (7*b[2])/4}, {-1/4*b[1] - b[2]/4, (-3*b[1])/4 - (3*b[2])/4, -1/4*b[1] - b[2]/4, b[1]/4 - (7*b[2])/4}}
{{b[1], b[2], b[2]/3, b[2]/3}, {-b[1], -b[1] + (2*b[2])/3, b[1]/2 + b[2]/2, b[1]/2 + b[2]/2}, {-b[2], -1/3*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]/2 + b[2]/6}, {-1/3*b[2], b[1] - (2*b[2])/3, (2*b[2])/3, (2*b[2])/3}, {(-2*b[2])/3, (-2*b[2])/3, b[1]/2 + b[2]/6, b[1]/2 + b[2]/6}, {-1/2*b[1] - b[2]/2, -1/2*b[1] - b[2]/2, -1/2*b[1] + b[2]/2, -1/2*b[1] + (7*b[2])/6}, {-1/2*b[1] - b[2]/6, -1/2*b[1] - b[2]/6, -1/2*b[1] - b[2]/6, b[1]/2 - (7*b[2])/6}}