b4381 b4382 b4383 b4384
b4381 0 1 5.19615242270663 7.34846922834953
b4382 1 0 2 8.94427190999916
b4383 5.19615242270663 2 0 1
b4384 7.34846922834953 8.94427190999916 1 0