>> result
Values with 5 values:
l1: (2, 2)
l2: (4, 2)
x1: (-1.8e-16, 5.1e-17, -1.5e-17)
x2: (2, -5.8e-16, -4.6e-16)
x3: (4, -3.1e-15, -4.6e-16)