a,140.3481
b,141.1703
c,142.6446
d,142.1671
****************
1,2,3,4,5,6,7
****************
a,1,0.64,2,6
1,2,0.262,1,7
1,5,0.396,9,3
2,3,0.201,2,4
2,4,-0.142,7,7
3,4,-0.342,6,12
3,b,-0.353,1,3
4,6,0.670,4,7
5,6,0.394,2,9
5,7,1.003,2,10
6,d,0.38,3,4
7,c,0.244,1,7