pair,contact1,contact2,flow1,flow2 2z1c_A_,1,68,1,1 2z1c_A_,6,41,1,1 2z1c_A_,7,19,1,1 2z1c_A_,8,38,1,1 2z1c_A_,8,39,1,1 2z1c_A_,9,17,1,1 2z1c_A_,10,17,1,1 2z1c_A_,12,15,1,1 2z1c_A_,14,29,1,1 2z1c_A_,16,27,1,1 2z1c_A_,18,25,1,1 2z1c_A_,19,22,1,1 2z1c_A_,20,23,1,1 2z1c_A_,28,30,1,1 2z1c_A_,28,46,1,1 2z1c_A_,28,48,1,1 2z1c_A_,29,32,1,1 2z1c_A_,32,35,1,1 2z1c_A_,36,39,1,1 2z1c_A_,40,52,1,1 2z1c_A_,42,49,1,1 2z1c_A_,42,50,1,1 2z1c_A_,43,44,1,1 2z1c_A_,44,47,1,1 2z1c_A_,50,56,1,1 2z1c_A_,53,56,1,1 2z1c_A_,53,57,1,1 2z1c_A_,54,58,1,1 2z1c_A_,55,59,1,1 2z1c_A_,56,60,1,1 2z1c_A_,57,61,1,1 2z1c_A_,58,62,1,1 2z1c_A_,59,63,1,1 2z1c_A_,60,64,1,1 2z1c_A_,61,65,1,1 2z1c_A_,62,66,1,1 2z1c_A_,63,67,1,1 2z1c_A_,64,68,1,1 2z1c_A_,65,69,1,1 2z1c_A_,66,70,1,1 2z1c_A_,67,71,1,1