pair,contact1,contact2,flow1,flow2 8sn2_L_,1,3,1,1 8sn2_L_,1,5,1,1 8sn2_L_,2,6,1,1 8sn2_L_,3,7,1,1 8sn2_L_,4,8,1,1 8sn2_L_,5,9,1,1 8sn2_L_,6,10,1,1 8sn2_L_,7,11,1,1 8sn2_L_,8,12,1,1 8sn2_L_,9,13,1,1 8sn2_L_,10,14,1,1 8sn2_L_,11,15,1,1 8sn2_L_,12,16,1,1 8sn2_L_,13,17,1,1 8sn2_L_,21,39,1,1 8sn2_L_,23,37,1,1 8sn2_L_,25,35,1,1 8sn2_L_,27,33,1,1 8sn2_L_,29,30,1,1 8sn2_L_,32,57,1,1 8sn2_L_,34,55,1,1 8sn2_L_,36,53,1,1 8sn2_L_,38,51,1,1 8sn2_L_,40,49,1,1 8sn2_L_,41,44,1,1 8sn2_L_,41,47,1,1 8sn2_L_,44,46,1,1 8sn2_L_,44,47,1,1 8sn2_L_,46,49,1,1 8sn2_L_,52,71,1,1 8sn2_L_,54,69,1,1 8sn2_L_,56,67,1,1 8sn2_L_,62,94,1,1 8sn2_L_,70,83,1,1 8sn2_L_,76,78,1,1 8sn2_L_,76,79,1,1 8sn2_L_,76,110,1,1 8sn2_L_,78,86,1,1 8sn2_L_,78,115,1,1 8sn2_L_,80,83,1,1 8sn2_L_,81,82,1,1 8sn2_L_,84,120,1,1 8sn2_L_,85,87,1,1 8sn2_L_,86,118,1,1 8sn2_L_,87,90,1,1 8sn2_L_,88,91,1,1 8sn2_L_,88,92,1,1 8sn2_L_,88,93,1,1 8sn2_L_,95,98,1,1 8sn2_L_,99,103,1,1 8sn2_L_,100,104,1,1 8sn2_L_,101,105,1,1 8sn2_L_,102,106,1,1 8sn2_L_,103,107,1,1 8sn2_L_,104,108,1,1 8sn2_L_,105,109,1,1 8sn2_L_,106,110,1,1 8sn2_L_,107,111,1,1 8sn2_L_,108,112,1,1 8sn2_L_,109,113,1,1 8sn2_L_,122,126,1,1 8sn2_L_,123,127,1,1 8sn2_L_,124,128,1,1 8sn2_L_,125,129,1,1 8sn2_L_,126,130,1,1 8sn2_L_,131,134,1,1 8sn2_L_,132,136,1,1 8sn2_L_,133,137,1,1 8sn2_L_,134,138,1,1 8sn2_L_,135,139,1,1 8sn2_L_,136,139,1,1 8sn2_L_,136,140,1,1 8sn2_L_,137,141,1,1 8sn2_L_,138,142,1,1 8sn2_L_,139,143,1,1 8sn2_L_,140,144,1,1 8sn2_L_,141,145,1,1 8sn2_L_,143,147,1,1