pair,contact1,contact2,flow1,flow2 8pid_K_,1,43,1,1 8pid_K_,5,9,1,1 8pid_K_,6,10,1,1 8pid_K_,6,15,1,1 8pid_K_,7,8,1,1 8pid_K_,7,11,1,1 8pid_K_,8,12,1,1 8pid_K_,9,13,1,1 8pid_K_,11,54,1,1 8pid_K_,14,16,1,1 8pid_K_,14,17,1,1 8pid_K_,17,21,1,1 8pid_K_,18,22,1,1 8pid_K_,19,23,1,1 8pid_K_,20,24,1,1 8pid_K_,21,25,1,1 8pid_K_,22,26,1,1 8pid_K_,23,27,1,1 8pid_K_,24,28,1,1 8pid_K_,25,29,1,1 8pid_K_,25,52,1,1 8pid_K_,26,30,1,1 8pid_K_,27,31,1,1 8pid_K_,27,32,1,1 8pid_K_,37,52,1,1 8pid_K_,39,51,1,1 8pid_K_,43,51,1,1 8pid_K_,44,48,1,1 8pid_K_,45,49,1,1 8pid_K_,46,50,1,1 8pid_K_,47,51,1,1 8pid_K_,48,52,1,1 8pid_K_,49,53,1,1 8pid_K_,50,54,1,1 8pid_K_,51,54,1,1 8pid_K_,53,56,1,1 8pid_K_,59,60,1,1 8pid_K_,59,63,1,1 8pid_K_,60,64,1,1 8pid_K_,61,65,1,1 8pid_K_,62,66,1,1 8pid_K_,63,67,1,1 8pid_K_,64,68,1,1 8pid_K_,65,69,1,1 8pid_K_,66,70,1,1 8pid_K_,67,71,1,1 8pid_K_,68,72,1,1 8pid_K_,69,73,1,1 8pid_K_,70,74,1,1 8pid_K_,71,75,1,1 8pid_K_,72,76,1,1 8pid_K_,73,77,1,1 8pid_K_,74,78,1,1 8pid_K_,75,79,1,1 8pid_K_,76,80,1,1 8pid_K_,77,81,1,1 8pid_K_,78,82,1,1 8pid_K_,79,83,1,1 8pid_K_,80,83,1,1