pair,contact1,contact2,flow1,flow2 1usu_B_,2,42,1,1 1usu_B_,2,43,1,1 1usu_B_,3,5,1,1 1usu_B_,3,40,1,1 1usu_B_,4,6,1,1 1usu_B_,5,9,1,1 1usu_B_,6,10,1,1 1usu_B_,7,11,1,1 1usu_B_,8,12,1,1 1usu_B_,9,13,1,1 1usu_B_,10,14,1,1 1usu_B_,10,34,1,1 1usu_B_,11,15,1,1 1usu_B_,12,16,1,1 1usu_B_,12,124,1,1 1usu_B_,13,17,1,1 1usu_B_,14,18,1,1 1usu_B_,17,20,1,1 1usu_B_,19,28,1,1 1usu_B_,20,28,1,1 1usu_B_,21,25,1,1 1usu_B_,21,113,1,1 1usu_B_,22,26,1,1 1usu_B_,25,61,1,1 1usu_B_,27,59,1,1 1usu_B_,29,57,1,1 1usu_B_,29,59,1,1 1usu_B_,30,57,1,1 1usu_B_,32,55,1,1 1usu_B_,33,55,1,1 1usu_B_,35,53,1,1 1usu_B_,37,51,1,1 1usu_B_,39,41,1,1 1usu_B_,39,48,1,1 1usu_B_,41,47,1,1 1usu_B_,43,45,1,1 1usu_B_,50,79,1,1 1usu_B_,52,77,1,1 1usu_B_,54,74,1,1 1usu_B_,55,73,1,1 1usu_B_,56,72,1,1 1usu_B_,58,70,1,1 1usu_B_,60,68,1,1 1usu_B_,62,66,1,1 1usu_B_,69,93,1,1 1usu_B_,71,91,1,1 1usu_B_,73,89,1,1 1usu_B_,78,81,1,1 1usu_B_,81,119,1,1 1usu_B_,82,85,1,1 1usu_B_,83,115,1,1 1usu_B_,86,119,1,1 1usu_B_,90,103,1,1 1usu_B_,97,98,1,1 1usu_B_,97,100,1,1 1usu_B_,99,102,1,1 1usu_B_,101,105,1,1 1usu_B_,102,106,1,1 1usu_B_,103,107,1,1 1usu_B_,104,108,1,1 1usu_B_,105,108,1,1 1usu_B_,105,109,1,1 1usu_B_,106,110,1,1 1usu_B_,106,111,1,1 1usu_B_,110,113,1,1 1usu_B_,110,114,1,1 1usu_B_,111,114,1,1 1usu_B_,111,115,1,1 1usu_B_,112,116,1,1 1usu_B_,113,117,1,1 1usu_B_,114,118,1,1 1usu_B_,115,119,1,1 1usu_B_,116,120,1,1 1usu_B_,117,120,1,1 1usu_B_,117,121,1,1 1usu_B_,120,124,1,1 1usu_B_,121,125,1,1 1usu_B_,122,126,1,1 1usu_B_,123,127,1,1 1usu_B_,124,128,1,1 1usu_B_,126,129,1,1 1usu_B_,126,130,1,1 1usu_B_,126,131,1,1