Auxiliary conditions (5, 5)

1. (1): xD1 + xD2 = 100.0
2. (1): xB1 + xB2 = 100.0
3. (1): F * xF2 + (-B) * xB2 - D * xD2 = 0.0
4. (1): xF1 + xF2 = 100.0
5. (1): F * xF1 + (-B) * xB1 - D * xD1 = 0.0