pair,contact1,contact2,flow1,flow2
7n24_A_,1,4,1,1
7n24_A_,2,5,1,1
7n24_A_,2,8,1,1
7n24_A_,5,7,1,1
7n24_A_,6,10,1,1
7n24_A_,7,11,1,1
7n24_A_,8,12,1,1
7n24_A_,12,15,1,1