b0138 b0137 b0136 b0135
b0138 0 2 1 7.34846922834953
b0137 2 0 10.0995049383621 12.328828005938
b0136 1 10.0995049383621 0 2.23606797749979
b0135 7.34846922834953 12.328828005938 2.23606797749979 0