pair,contact1,contact2,flow1,flow2 4gnd_A_,3,5,1,1 4gnd_A_,3,7,1,1 4gnd_A_,5,21,1,1 4gnd_A_,6,27,1,1 4gnd_A_,6,28,1,1 4gnd_A_,9,13,1,1 4gnd_A_,9,14,1,1 4gnd_A_,10,29,1,1 4gnd_A_,12,31,1,1 4gnd_A_,15,31,1,1 4gnd_A_,19,30,1,1 4gnd_A_,21,28,1,1 4gnd_A_,21,50,1,1 4gnd_A_,22,45,1,1 4gnd_A_,23,26,1,1 4gnd_A_,26,50,1,1 4gnd_A_,30,47,1,1 4gnd_A_,31,34,1,1 4gnd_A_,32,35,1,1 4gnd_A_,32,37,1,1 4gnd_A_,33,36,1,1 4gnd_A_,47,50,1,1 4gnd_A_,48,51,1,1 4gnd_A_,49,63,1,1 4gnd_A_,49,69,1,1 4gnd_A_,50,59,1,1 4gnd_A_,51,69,1,1 4gnd_A_,52,57,1,1 4gnd_A_,52,69,1,1 4gnd_A_,52,74,1,1 4gnd_A_,53,69,1,1 4gnd_A_,55,57,1,1 4gnd_A_,60,70,1,1 4gnd_A_,61,70,1,1 4gnd_A_,61,75,1,1 4gnd_A_,63,68,1,1 4gnd_A_,63,93,1,1 4gnd_A_,64,88,1,1 4gnd_A_,66,93,1,1 4gnd_A_,68,92,1,1 4gnd_A_,71,74,1,1 4gnd_A_,75,78,1,1 4gnd_A_,80,89,1,1 4gnd_A_,82,87,1,1 4gnd_A_,83,95,1,1 4gnd_A_,84,87,1,1 4gnd_A_,89,90,1,1 4gnd_A_,90,93,1,1 4gnd_A_,94,96,1,1 4gnd_A_,94,97,1,1