pair,contact1,contact2,flow1,flow2 4v8f_BV_,6,29,1,1 4v8f_BV_,6,31,1,1 4v8f_BV_,9,13,1,1 4v8f_BV_,10,13,1,1 4v8f_BV_,10,14,1,1 4v8f_BV_,11,15,1,1 4v8f_BV_,13,17,1,1 4v8f_BV_,17,20,1,1 4v8f_BV_,17,37,1,1 4v8f_BV_,23,24,1,1 4v8f_BV_,25,42,1,1 4v8f_BV_,25,44,1,1 4v8f_BV_,27,29,1,1 4v8f_BV_,29,32,1,1 4v8f_BV_,30,46,1,1 4v8f_BV_,30,69,1,1 4v8f_BV_,33,64,1,1 4v8f_BV_,36,39,1,1 4v8f_BV_,43,45,1,1 4v8f_BV_,43,54,1,1 4v8f_BV_,44,51,1,1 4v8f_BV_,45,52,1,1 4v8f_BV_,47,49,1,1 4v8f_BV_,47,50,1,1 4v8f_BV_,57,60,1,1 4v8f_BV_,60,63,1,1 4v8f_BV_,64,67,1,1 4v8f_BV_,66,69,1,1 4v8f_BV_,72,73,1,1 4v8f_BV_,74,77,1,1