pair,contact1,contact2,flow1,flow2 2y4x_A_,3,5,1,1 2y4x_A_,6,12,1,1 2y4x_A_,6,54,1,1 2y4x_A_,9,12,1,1 2y4x_A_,9,49,1,1 2y4x_A_,10,13,1,1 2y4x_A_,11,51,1,1 2y4x_A_,15,18,1,1 2y4x_A_,16,19,1,1 2y4x_A_,20,36,1,1 2y4x_A_,22,34,1,1 2y4x_A_,23,34,1,1 2y4x_A_,25,32,1,1 2y4x_A_,26,31,1,1 2y4x_A_,27,29,1,1 2y4x_A_,27,30,1,1 2y4x_A_,33,44,1,1 2y4x_A_,35,42,1,1 2y4x_A_,37,40,1,1 2y4x_A_,45,48,1,1 2y4x_A_,47,57,1,1 2y4x_A_,48,57,1,1 2y4x_A_,50,55,1,1 2y4x_A_,53,70,1,1 2y4x_A_,56,68,1,1 2y4x_A_,58,66,1,1 2y4x_A_,59,66,1,1 2y4x_A_,61,62,1,1 2y4x_A_,61,64,1,1 2y4x_A_,63,87,1,1 2y4x_A_,65,85,1,1 2y4x_A_,67,83,1,1 2y4x_A_,69,81,1,1 2y4x_A_,69,83,1,1 2y4x_A_,71,79,1,1 2y4x_A_,73,77,1,1