pair,contact1,contact2,flow1,flow2 6tnn_e_,17,27,1,1 6tnn_e_,20,27,1,1 6tnn_e_,25,26,1,1 6tnn_e_,37,41,1,1 6tnn_e_,38,45,1,1 6tnn_e_,47,50,1,1 6tnn_e_,56,59,1,1 6tnn_e_,57,60,1,1 6tnn_e_,68,69,1,1 6tnn_e_,74,106,1,1 6tnn_e_,77,110,1,1 6tnn_e_,77,112,1,1 6tnn_e_,79,83,1,1 6tnn_e_,81,84,1,1 6tnn_e_,82,85,1,1 6tnn_e_,83,119,1,1 6tnn_e_,85,119,1,1 6tnn_e_,87,120,1,1 6tnn_e_,90,122,1,1 6tnn_e_,91,124,1,1 6tnn_e_,92,94,1,1 6tnn_e_,92,95,1,1 6tnn_e_,94,98,1,1 6tnn_e_,95,99,1,1 6tnn_e_,96,100,1,1 6tnn_e_,96,101,1,1 6tnn_e_,96,102,1,1 6tnn_e_,98,99,1,1 6tnn_e_,109,126,1,1 6tnn_e_,111,127,1,1 6tnn_e_,111,129,1,1 6tnn_e_,120,139,1,1 6tnn_e_,123,144,1,1 6tnn_e_,125,146,1,1 6tnn_e_,131,135,1,1 6tnn_e_,132,136,1,1 6tnn_e_,133,137,1,1 6tnn_e_,134,138,1,1 6tnn_e_,137,140,1,1 6tnn_e_,137,143,1,1