b0978 b0979 b4592 b0980
b0978 0 1 7.34846922834953 2.44948974278318
b0979 1 0 9.2736184954957 3
b4592 7.34846922834953 9.2736184954957 0 1
b0980 2.44948974278318 3 1 0