b0406 b0407 b0408 b0409
b0406 0 3.46410161513775 9.89949493661166 8.12403840463596
b0407 3.46410161513775 0 6.70820393249937 105.470374987482
b0408 9.89949493661166 6.70820393249937 0 2
b0409 8.12403840463596 105.470374987482 2 0