pair,contact1,contact2,flow1,flow2 2ds4_A_,6,38,1,1 2ds4_A_,10,13,1,1 2ds4_A_,10,14,1,1 2ds4_A_,10,37,1,1 2ds4_A_,11,14,1,1 2ds4_A_,15,35,1,1 2ds4_A_,17,33,1,1 2ds4_A_,20,23,1,1 2ds4_A_,24,108,1,1 2ds4_A_,24,110,1,1 2ds4_A_,26,27,1,1 2ds4_A_,26,110,1,1 2ds4_A_,27,83,1,1 2ds4_A_,29,82,1,1 2ds4_A_,30,81,1,1 2ds4_A_,32,79,1,1 2ds4_A_,34,36,1,1 2ds4_A_,34,77,1,1 2ds4_A_,38,41,1,1 2ds4_A_,38,42,1,1 2ds4_A_,49,77,1,1 2ds4_A_,50,96,1,1 2ds4_A_,52,94,1,1 2ds4_A_,54,92,1,1 2ds4_A_,56,90,1,1 2ds4_A_,58,88,1,1 2ds4_A_,66,82,1,1 2ds4_A_,68,80,1,1 2ds4_A_,70,78,1,1 2ds4_A_,72,76,1,1 2ds4_A_,85,89,1,1 2ds4_A_,87,109,1,1 2ds4_A_,89,107,1,1 2ds4_A_,91,105,1,1 2ds4_A_,93,100,1,1 2ds4_A_,93,103,1,1 2ds4_A_,95,98,1,1 2ds4_A_,96,98,1,1 2ds4_A_,99,100,1,1