pair,contact1,contact2,flow1,flow2 4v4v_BF_,1,21,1,1 4v4v_BF_,2,39,1,1 4v4v_BF_,3,19,1,1 4v4v_BF_,4,37,1,1 4v4v_BF_,5,17,1,1 4v4v_BF_,6,13,1,1 4v4v_BF_,6,35,1,1 4v4v_BF_,7,35,1,1 4v4v_BF_,22,26,1,1 4v4v_BF_,25,29,1,1 4v4v_BF_,26,31,1,1 4v4v_BF_,29,33,1,1 4v4v_BF_,30,35,1,1 4v4v_BF_,31,34,1,1 4v4v_BF_,43,46,1,1 4v4v_BF_,43,47,1,1 4v4v_BF_,44,48,1,1 4v4v_BF_,47,50,1,1 4v4v_BF_,48,51,1,1 4v4v_BF_,48,52,1,1 4v4v_BF_,49,53,1,1 4v4v_BF_,50,54,1,1 4v4v_BF_,51,55,1,1 4v4v_BF_,52,56,1,1 4v4v_BF_,53,57,1,1 4v4v_BF_,54,58,1,1 4v4v_BF_,59,63,1,1 4v4v_BF_,60,64,1,1 4v4v_BF_,61,65,1,1 4v4v_BF_,62,66,1,1 4v4v_BF_,63,67,1,1 4v4v_BF_,64,68,1,1 4v4v_BF_,65,69,1,1 4v4v_BF_,66,70,1,1 4v4v_BF_,68,71,1,1 4v4v_BF_,69,72,1,1 4v4v_BF_,71,74,1,1 4v4v_BF_,72,75,1,1 4v4v_BF_,72,76,1,1 4v4v_BF_,78,145,1,1 4v4v_BF_,80,145,1,1 4v4v_BF_,80,147,1,1 4v4v_BF_,82,147,1,1 4v4v_BF_,82,149,1,1 4v4v_BF_,83,91,1,1 4v4v_BF_,83,149,1,1 4v4v_BF_,84,149,1,1 4v4v_BF_,85,87,1,1 4v4v_BF_,85,89,1,1 4v4v_BF_,86,89,1,1 4v4v_BF_,88,125,1,1 4v4v_BF_,90,123,1,1 4v4v_BF_,95,98,1,1 4v4v_BF_,95,99,1,1 4v4v_BF_,96,100,1,1 4v4v_BF_,96,112,1,1 4v4v_BF_,97,101,1,1 4v4v_BF_,98,102,1,1 4v4v_BF_,99,103,1,1 4v4v_BF_,100,104,1,1 4v4v_BF_,103,106,1,1 4v4v_BF_,104,107,1,1 4v4v_BF_,104,108,1,1 4v4v_BF_,111,114,1,1 4v4v_BF_,112,115,1,1 4v4v_BF_,114,133,1,1 4v4v_BF_,116,131,1,1 4v4v_BF_,124,128,1,1 4v4v_BF_,126,146,1,1 4v4v_BF_,128,144,1,1 4v4v_BF_,129,141,1,1 4v4v_BF_,130,142,1,1 4v4v_BF_,132,140,1,1 4v4v_BF_,135,138,1,1