pair,contact1,contact2,flow1,flow2 4c9a_B_,1,7,1,1 4c9a_B_,2,13,1,1 4c9a_B_,3,17,1,1 4c9a_B_,4,6,1,1 4c9a_B_,5,15,1,1 4c9a_B_,6,14,1,1 4c9a_B_,8,11,1,1 4c9a_B_,8,12,1,1 4c9a_B_,10,29,1,1 4c9a_B_,11,32,1,1 4c9a_B_,13,32,1,1 4c9a_B_,15,34,1,1 4c9a_B_,16,33,1,1 4c9a_B_,17,20,1,1 4c9a_B_,21,35,1,1 4c9a_B_,22,50,1,1 4c9a_B_,22,52,1,1 4c9a_B_,23,33,1,1 4c9a_B_,25,31,1,1 4c9a_B_,25,33,1,1 4c9a_B_,27,29,1,1 4c9a_B_,39,42,1,1 4c9a_B_,41,55,1,1 4c9a_B_,43,53,1,1 4c9a_B_,45,51,1,1 4c9a_B_,58,83,1,1 4c9a_B_,59,73,1,1 4c9a_B_,60,62,1,1 4c9a_B_,60,71,1,1 4c9a_B_,62,69,1,1 4c9a_B_,62,70,1,1 4c9a_B_,62,71,1,1 4c9a_B_,63,65,1,1 4c9a_B_,64,68,1,1 4c9a_B_,65,67,1,1 4c9a_B_,69,81,1,1 4c9a_B_,77,84,1,1 4c9a_B_,77,99,1,1 4c9a_B_,78,99,1,1 4c9a_B_,79,82,1,1 4c9a_B_,88,91,1,1 4c9a_B_,94,98,1,1