pair,contact1,contact2,flow1,flow2 2b2v_C_,2,74,1,1 2b2v_C_,3,4,1,1 2b2v_C_,3,53,1,1 2b2v_C_,4,74,1,1 2b2v_C_,5,51,1,1 2b2v_C_,6,51,1,1 2b2v_C_,8,49,1,1 2b2v_C_,9,10,1,1 2b2v_C_,9,49,1,1 2b2v_C_,11,47,1,1 2b2v_C_,13,45,1,1 2b2v_C_,14,17,1,1 2b2v_C_,14,47,1,1 2b2v_C_,16,45,1,1 2b2v_C_,18,21,1,1 2b2v_C_,19,22,1,1 2b2v_C_,19,62,1,1 2b2v_C_,20,23,1,1 2b2v_C_,22,62,1,1 2b2v_C_,23,26,1,1 2b2v_C_,23,27,1,1 2b2v_C_,24,28,1,1 2b2v_C_,25,29,1,1 2b2v_C_,25,59,1,1 2b2v_C_,26,30,1,1 2b2v_C_,27,31,1,1 2b2v_C_,32,34,1,1 2b2v_C_,34,37,1,1 2b2v_C_,38,40,1,1 2b2v_C_,38,41,1,1 2b2v_C_,45,47,1,1 2b2v_C_,46,64,1,1 2b2v_C_,48,63,1,1 2b2v_C_,48,65,1,1 2b2v_C_,50,61,1,1 2b2v_C_,51,52,1,1 2b2v_C_,51,55,1,1 2b2v_C_,52,55,1,1 2b2v_C_,52,61,1,1 2b2v_C_,56,59,1,1 2b2v_C_,57,60,1,1 2b2v_C_,61,63,1,1 2b2v_C_,63,67,1,1 2b2v_C_,64,67,1,1 2b2v_C_,64,68,1,1 2b2v_C_,65,69,1,1 2b2v_C_,65,83,1,1 2b2v_C_,66,70,1,1 2b2v_C_,67,71,1,1 2b2v_C_,68,71,1,1 2b2v_C_,68,72,1,1 2b2v_C_,69,72,1,1 2b2v_C_,76,80,1,1 2b2v_C_,77,81,1,1 2b2v_C_,78,82,1,1 2b2v_C_,79,83,1,1 2b2v_C_,80,84,1,1