pair,contact1,contact2,flow1,flow2
2c6b_A_,10,13,1,1
2c6b_A_,14,23,1,1
2c6b_A_,14,24,1,1
2c6b_A_,16,21,1,1
2c6b_A_,23,31,1,1
2c6b_A_,28,37,1,1
2c6b_A_,30,35,1,1
2c6b_A_,37,39,1,1