b0660 b0659 b0658 b0657
b0660 0 1 2.82842712474619 231.855558484156
b0659 1 0 1.41421356237309 684.45891038104
b0658 2.82842712474619 1.41421356237309 0 3.87298334620742
b0657 231.855558484156 684.45891038104 3.87298334620742 0