pair,contact1,contact2,flow1,flow2 2y4y_A_,4,6,1,1 2y4y_A_,4,7,1,1 2y4y_A_,7,13,1,1 2y4y_A_,7,55,1,1 2y4y_A_,10,13,1,1 2y4y_A_,10,49,1,1 2y4y_A_,10,50,1,1 2y4y_A_,11,14,1,1 2y4y_A_,12,52,1,1 2y4y_A_,14,53,1,1 2y4y_A_,16,18,1,1 2y4y_A_,16,19,1,1 2y4y_A_,17,20,1,1 2y4y_A_,21,37,1,1 2y4y_A_,23,35,1,1 2y4y_A_,24,35,1,1 2y4y_A_,26,33,1,1 2y4y_A_,27,32,1,1 2y4y_A_,28,30,1,1 2y4y_A_,28,31,1,1 2y4y_A_,34,45,1,1 2y4y_A_,36,43,1,1 2y4y_A_,38,41,1,1 2y4y_A_,46,49,1,1 2y4y_A_,48,58,1,1 2y4y_A_,49,58,1,1 2y4y_A_,51,56,1,1 2y4y_A_,54,69,1,1 2y4y_A_,57,67,1,1 2y4y_A_,59,65,1,1 2y4y_A_,60,65,1,1 2y4y_A_,62,63,1,1 2y4y_A_,64,79,1,1 2y4y_A_,65,78,1,1 2y4y_A_,66,77,1,1 2y4y_A_,68,75,1,1 2y4y_A_,68,77,1,1 2y4y_A_,70,73,1,1