pair,contact1,contact2,flow1,flow2 8rgr_b_,1,4,1,1 8rgr_b_,1,5,1,1 8rgr_b_,2,6,1,1 8rgr_b_,3,7,1,1 8rgr_b_,4,8,1,1 8rgr_b_,5,9,1,1 8rgr_b_,6,10,1,1 8rgr_b_,7,11,1,1 8rgr_b_,8,12,1,1 8rgr_b_,9,13,1,1 8rgr_b_,10,14,1,1 8rgr_b_,15,19,1,1 8rgr_b_,16,20,1,1 8rgr_b_,17,21,1,1 8rgr_b_,18,22,1,1 8rgr_b_,19,23,1,1 8rgr_b_,20,24,1,1 8rgr_b_,21,25,1,1 8rgr_b_,22,26,1,1 8rgr_b_,23,27,1,1 8rgr_b_,24,28,1,1 8rgr_b_,25,29,1,1 8rgr_b_,26,30,1,1 8rgr_b_,30,33,1,1 8rgr_b_,30,34,1,1 8rgr_b_,31,37,1,1 8rgr_b_,34,36,1,1 8rgr_b_,34,37,1,1 8rgr_b_,36,39,1,1 8rgr_b_,38,42,1,1 8rgr_b_,39,43,1,1 8rgr_b_,40,44,1,1 8rgr_b_,41,45,1,1 8rgr_b_,42,46,1,1 8rgr_b_,43,47,1,1 8rgr_b_,47,49,1,1 8rgr_b_,57,59,1,1 8rgr_b_,58,60,1,1 8rgr_b_,66,70,1,1 8rgr_b_,67,69,1,1 8rgr_b_,67,70,1,1 8rgr_b_,76,80,1,1 8rgr_b_,77,81,1,1 8rgr_b_,79,82,1,1