pair,contact1,contact2,flow1,flow2 8ifb_k_,2,5,1,1 8ifb_k_,9,12,1,1 8ifb_k_,20,21,1,1 8ifb_k_,20,27,1,1 8ifb_k_,22,25,1,1 8ifb_k_,23,26,1,1 8ifb_k_,25,27,1,1 8ifb_k_,28,30,1,1 8ifb_k_,30,33,1,1 8ifb_k_,33,39,1,1 8ifb_k_,33,40,1,1 8ifb_k_,37,40,1,1 8ifb_k_,37,41,1,1 8ifb_k_,38,41,1,1 8ifb_k_,41,44,1,1 8ifb_k_,47,50,1,1 8ifb_k_,51,54,1,1 8ifb_k_,51,57,1,1 8ifb_k_,51,60,1,1 8ifb_k_,55,60,1,1 8ifb_k_,56,59,1,1 8ifb_k_,56,60,1,1 8ifb_k_,57,61,1,1 8ifb_k_,68,70,1,1 8ifb_k_,70,73,1,1 8ifb_k_,70,74,1,1 8ifb_k_,71,74,1,1 8ifb_k_,73,106,1,1 8ifb_k_,73,107,1,1 8ifb_k_,75,107,1,1 8ifb_k_,75,109,1,1 8ifb_k_,77,109,1,1 8ifb_k_,77,111,1,1 8ifb_k_,78,81,1,1 8ifb_k_,79,82,1,1 8ifb_k_,79,113,1,1 8ifb_k_,81,84,1,1 8ifb_k_,88,121,1,1 8ifb_k_,90,121,1,1 8ifb_k_,90,123,1,1 8ifb_k_,91,95,1,1 8ifb_k_,92,96,1,1 8ifb_k_,93,97,1,1 8ifb_k_,94,98,1,1 8ifb_k_,95,100,1,1 8ifb_k_,96,99,1,1 8ifb_k_,96,103,1,1 8ifb_k_,96,105,1,1 8ifb_k_,102,105,1,1 8ifb_k_,108,126,1,1 8ifb_k_,110,126,1,1 8ifb_k_,110,128,1,1 8ifb_k_,111,113,1,1 8ifb_k_,120,141,1,1 8ifb_k_,122,141,1,1 8ifb_k_,122,143,1,1 8ifb_k_,123,143,1,1 8ifb_k_,124,143,1,1 8ifb_k_,128,131,1,1 8ifb_k_,128,132,1,1 8ifb_k_,129,133,1,1 8ifb_k_,130,134,1,1 8ifb_k_,131,135,1,1 8ifb_k_,132,136,1,1 8ifb_k_,133,137,1,1 8ifb_k_,134,138,1,1 8ifb_k_,135,140,1,1 8ifb_k_,136,139,1,1