a,4507567.3,593415.25
b,4512014.58,597832.49
c,4507460.05,603008.10
**********************
1,2
************************
a,b,1,41.3245
a,1,2,40.20415
b,c,1,30.45395
b,1,2,24.2915
b,2,a,38.1235
c,b,2,295.2728
c,2,1,30.11015
1,a,b,75.45234
1,b,c,114.52554
1,c,2,118.08232
2,a,1,88.25596
2,1,c,31.4032