pair,contact1,contact2,flow1,flow2 2f4v_I_,2,19,1,1 2f4v_I_,3,18,1,1 2f4v_I_,4,6,1,1 2f4v_I_,7,14,1,1 2f4v_I_,9,12,1,1 2f4v_I_,15,63,1,1 2f4v_I_,17,61,1,1 2f4v_I_,19,59,1,1 2f4v_I_,25,32,1,1 2f4v_I_,26,60,1,1 2f4v_I_,26,62,1,1 2f4v_I_,27,30,1,1 2f4v_I_,28,62,1,1 2f4v_I_,28,63,1,1 2f4v_I_,28,64,1,1 2f4v_I_,31,32,1,1 2f4v_I_,31,34,1,1 2f4v_I_,32,35,1,1 2f4v_I_,32,36,1,1 2f4v_I_,35,72,1,1 2f4v_I_,36,39,1,1 2f4v_I_,39,42,1,1 2f4v_I_,41,44,1,1 2f4v_I_,41,70,1,1 2f4v_I_,41,74,1,1 2f4v_I_,42,45,1,1 2f4v_I_,44,47,1,1 2f4v_I_,46,49,1,1 2f4v_I_,49,52,1,1 2f4v_I_,59,60,1,1 2f4v_I_,68,71,1,1 2f4v_I_,68,72,1,1 2f4v_I_,69,73,1,1 2f4v_I_,70,74,1,1 2f4v_I_,71,75,1,1 2f4v_I_,72,76,1,1 2f4v_I_,73,77,1,1 2f4v_I_,74,78,1,1 2f4v_I_,75,78,1,1 2f4v_I_,75,79,1,1 2f4v_I_,76,80,1,1 2f4v_I_,77,81,1,1 2f4v_I_,78,82,1,1 2f4v_I_,79,83,1,1 2f4v_I_,80,84,1,1 2f4v_I_,82,85,1,1 2f4v_I_,82,86,1,1 2f4v_I_,84,88,1,1 2f4v_I_,88,90,1,1 2f4v_I_,92,95,1,1 2f4v_I_,92,96,1,1 2f4v_I_,95,100,1,1 2f4v_I_,104,106,1,1 2f4v_I_,109,112,1,1 2f4v_I_,109,119,1,1 2f4v_I_,111,112,1,1 2f4v_I_,113,115,1,1 2f4v_I_,116,120,1,1