b1674 b1673 b1672 b1671 b1670 b1669
b1674 0 1 7 8.83176086632785 3.46410161513775 21.0713075057055
b1673 1 0 2 3 5.47722557505166 7.48331477354788
b1672 7 2 0 1 2.82842712474619 8.94427190999916
b1671 8.83176086632785 3 1 0 4 4.47213595499958
b1670 3.46410161513775 5.47722557505166 2.82842712474619 4 0 4
b1669 21.0713075057055 7.48331477354788 8.94427190999916 4.47213595499958 4 0