pair,contact1,contact2,flow1,flow2
2lal_B_,8,9,1,1
2lal_B_,11,14,1,1
2lal_B_,12,15,1,1
2lal_B_,12,16,1,1
2lal_B_,29,31,1,1
2lal_B_,43,45,1,1