dr: 1 / 24
dphi: π / 24
l1 = Sequence(((n * dr); (n * dphi)), n, 0, 24)
l2 = Sequence((((n * dr))^(2); ((2 * n) * dphi)), n, 0, 24)
l3 = Sequence((((n * dr))^(2); ((2 * n) * dphi)), n, 24, 48)
l4 = Sequence(((n * dr); (n * dphi)), n, 24, 48)
A = (4.068256549232174, 0.9137253839205128)
B = (5.726793134598036, 0.9137253839205128)