pair,contact1,contact2,flow1,flow2 2n1r_A_,5,9,1,1 2n1r_A_,6,10,1,1 2n1r_A_,7,11,1,1 2n1r_A_,8,12,1,1 2n1r_A_,9,13,1,1 2n1r_A_,10,14,1,1 2n1r_A_,11,15,1,1 2n1r_A_,12,16,1,1 2n1r_A_,13,16,1,1 2n1r_A_,14,17,1,1 2n1r_A_,15,18,1,1 2n1r_A_,18,29,1,1 2n1r_A_,19,100,1,1 2n1r_A_,20,27,1,1 2n1r_A_,30,34,1,1 2n1r_A_,31,35,1,1 2n1r_A_,32,36,1,1 2n1r_A_,33,37,1,1 2n1r_A_,34,38,1,1 2n1r_A_,35,39,1,1 2n1r_A_,36,40,1,1 2n1r_A_,37,41,1,1 2n1r_A_,38,42,1,1 2n1r_A_,39,43,1,1 2n1r_A_,40,44,1,1 2n1r_A_,41,44,1,1 2n1r_A_,41,45,1,1 2n1r_A_,42,47,1,1 2n1r_A_,42,48,1,1 2n1r_A_,43,46,1,1 2n1r_A_,44,70,1,1 2n1r_A_,55,58,1,1 2n1r_A_,55,59,1,1 2n1r_A_,56,60,1,1 2n1r_A_,57,61,1,1 2n1r_A_,58,62,1,1 2n1r_A_,59,63,1,1 2n1r_A_,60,64,1,1 2n1r_A_,61,65,1,1 2n1r_A_,62,66,1,1 2n1r_A_,63,67,1,1 2n1r_A_,64,68,1,1 2n1r_A_,65,69,1,1 2n1r_A_,66,70,1,1 2n1r_A_,67,71,1,1 2n1r_A_,68,72,1,1 2n1r_A_,69,73,1,1 2n1r_A_,70,74,1,1 2n1r_A_,76,79,1,1 2n1r_A_,76,80,1,1 2n1r_A_,77,81,1,1 2n1r_A_,78,82,1,1 2n1r_A_,79,83,1,1 2n1r_A_,80,84,1,1 2n1r_A_,81,85,1,1 2n1r_A_,82,86,1,1 2n1r_A_,83,87,1,1 2n1r_A_,84,88,1,1 2n1r_A_,85,89,1,1 2n1r_A_,86,90,1,1 2n1r_A_,87,91,1,1 2n1r_A_,87,115,1,1 2n1r_A_,88,92,1,1 2n1r_A_,90,95,1,1 2n1r_A_,91,97,1,1 2n1r_A_,93,96,1,1 2n1r_A_,101,104,1,1 2n1r_A_,101,105,1,1 2n1r_A_,102,106,1,1 2n1r_A_,103,107,1,1 2n1r_A_,104,108,1,1 2n1r_A_,105,109,1,1 2n1r_A_,106,110,1,1 2n1r_A_,107,111,1,1 2n1r_A_,108,112,1,1 2n1r_A_,109,114,1,1 2n1r_A_,110,113,1,1