b0041 b0042 b0043 b0044
b0041 0 20.8326666559997 46.0868744872117 29.8496231131986
b0042 20.8326666559997 0 3 1.73205080756888
b0043 46.0868744872117 3 0 5.47722557505166
b0044 29.8496231131986 1.73205080756888 5.47722557505166 0