pair,contact1,contact2,flow1,flow2
1hls_A_,2,5,1,1
1hls_A_,2,6,1,1
1hls_A_,3,8,1,1
1hls_A_,11,12,1,1
1hls_A_,12,15,1,1
1hls_A_,13,16,1,1
1hls_A_,14,17,1,1
1hls_A_,16,19,1,1
1hls_A_,16,20,1,1
1hls_A_,17,20,1,1