pair,contact1,contact2,flow1,flow2 4p1b_C_,1,21,1,1 4p1b_C_,1,22,1,1 4p1b_C_,3,20,1,1 4p1b_C_,4,74,1,1 4p1b_C_,5,18,1,1 4p1b_C_,6,75,1,1 4p1b_C_,6,77,1,1 4p1b_C_,7,16,1,1 4p1b_C_,8,77,1,1 4p1b_C_,8,79,1,1 4p1b_C_,9,12,1,1 4p1b_C_,10,79,1,1 4p1b_C_,10,81,1,1 4p1b_C_,12,13,1,1 4p1b_C_,12,37,1,1 4p1b_C_,12,41,1,1 4p1b_C_,16,36,1,1 4p1b_C_,21,23,1,1 4p1b_C_,21,24,1,1 4p1b_C_,22,67,1,1 4p1b_C_,24,32,1,1 4p1b_C_,24,66,1,1 4p1b_C_,25,28,1,1 4p1b_C_,25,29,1,1 4p1b_C_,26,30,1,1 4p1b_C_,26,64,1,1 4p1b_C_,27,31,1,1 4p1b_C_,27,62,1,1 4p1b_C_,28,32,1,1 4p1b_C_,29,33,1,1 4p1b_C_,30,34,1,1 4p1b_C_,31,35,1,1 4p1b_C_,33,36,1,1 4p1b_C_,33,37,1,1 4p1b_C_,34,37,1,1 4p1b_C_,34,38,1,1 4p1b_C_,35,40,1,1 4p1b_C_,36,41,1,1 4p1b_C_,37,40,1,1 4p1b_C_,37,41,1,1 4p1b_C_,37,42,1,1 4p1b_C_,39,42,1,1 4p1b_C_,45,46,1,1 4p1b_C_,48,82,1,1 4p1b_C_,50,60,1,1 4p1b_C_,50,80,1,1 4p1b_C_,50,82,1,1 4p1b_C_,51,60,1,1 4p1b_C_,52,78,1,1 4p1b_C_,53,56,1,1 4p1b_C_,54,76,1,1 4p1b_C_,54,78,1,1 4p1b_C_,55,78,1,1 4p1b_C_,56,58,1,1 4p1b_C_,57,58,1,1 4p1b_C_,61,64,1,1 4p1b_C_,65,68,1,1 4p1b_C_,66,69,1,1 4p1b_C_,69,71,1,1 4p1b_C_,72,75,1,1 4p1b_C_,73,74,1,1