pair,contact1,contact2,flow1,flow2
1ntk_I_,3,7,1,1
1ntk_I_,9,26,1,1
1ntk_I_,14,22,1,1
1ntk_I_,18,53,1,1
1ntk_I_,21,47,1,1
1ntk_I_,29,32,1,1
1ntk_I_,30,33,1,1
1ntk_I_,32,38,1,1
1ntk_I_,36,37,1,1
1ntk_I_,39,40,1,1
1ntk_I_,40,41,1,1