pair,contact1,contact2,flow1,flow2 4p2y_B_,2,5,1,1 4p2y_B_,2,6,1,1 4p2y_B_,3,7,1,1 4p2y_B_,4,8,1,1 4p2y_B_,5,9,1,1 4p2y_B_,6,10,1,1 4p2y_B_,7,11,1,1 4p2y_B_,8,12,1,1 4p2y_B_,9,13,1,1 4p2y_B_,10,14,1,1 4p2y_B_,11,15,1,1 4p2y_B_,11,72,1,1 4p2y_B_,12,16,1,1 4p2y_B_,13,17,1,1 4p2y_B_,15,18,1,1 4p2y_B_,15,19,1,1 4p2y_B_,16,20,1,1 4p2y_B_,17,40,1,1 4p2y_B_,18,21,1,1 4p2y_B_,18,40,1,1 4p2y_B_,19,25,1,1 4p2y_B_,20,25,1,1 4p2y_B_,21,35,1,1 4p2y_B_,22,29,1,1 4p2y_B_,22,32,1,1 4p2y_B_,24,26,1,1 4p2y_B_,24,27,1,1 4p2y_B_,27,66,1,1 4p2y_B_,28,67,1,1 4p2y_B_,29,32,1,1 4p2y_B_,29,33,1,1 4p2y_B_,30,34,1,1 4p2y_B_,30,57,1,1 4p2y_B_,31,35,1,1 4p2y_B_,32,36,1,1 4p2y_B_,33,37,1,1 4p2y_B_,34,38,1,1 4p2y_B_,34,49,1,1 4p2y_B_,35,39,1,1 4p2y_B_,36,40,1,1 4p2y_B_,37,41,1,1 4p2y_B_,41,44,1,1 4p2y_B_,42,45,1,1 4p2y_B_,42,46,1,1 4p2y_B_,43,83,1,1 4p2y_B_,48,51,1,1 4p2y_B_,48,52,1,1 4p2y_B_,49,53,1,1 4p2y_B_,50,54,1,1 4p2y_B_,51,55,1,1 4p2y_B_,52,56,1,1 4p2y_B_,53,57,1,1 4p2y_B_,54,58,1,1 4p2y_B_,56,59,1,1 4p2y_B_,56,60,1,1 4p2y_B_,58,61,1,1 4p2y_B_,60,63,1,1 4p2y_B_,60,64,1,1 4p2y_B_,60,65,1,1 4p2y_B_,61,71,1,1 4p2y_B_,62,64,1,1 4p2y_B_,63,65,1,1 4p2y_B_,64,66,1,1 4p2y_B_,68,71,1,1 4p2y_B_,68,72,1,1 4p2y_B_,69,73,1,1 4p2y_B_,70,74,1,1 4p2y_B_,71,75,1,1 4p2y_B_,72,76,1,1 4p2y_B_,73,77,1,1 4p2y_B_,74,78,1,1 4p2y_B_,75,79,1,1 4p2y_B_,76,80,1,1 4p2y_B_,78,81,1,1 4p2y_B_,78,82,1,1 4p2y_B_,79,83,1,1 4p2y_B_,81,85,1,1 4p2y_B_,82,86,1,1 4p2y_B_,83,87,1,1 4p2y_B_,84,87,1,1 4p2y_B_,85,88,1,1