pair,contact1,contact2,flow1,flow2 3hug_B_,1,30,1,1 3hug_B_,1,33,1,1 3hug_B_,2,5,1,1 3hug_B_,3,6,1,1 3hug_B_,3,22,1,1 3hug_B_,6,10,1,1 3hug_B_,7,8,1,1 3hug_B_,7,11,1,1 3hug_B_,8,12,1,1 3hug_B_,9,14,1,1 3hug_B_,10,13,1,1 3hug_B_,16,19,1,1 3hug_B_,16,20,1,1 3hug_B_,17,21,1,1 3hug_B_,18,22,1,1 3hug_B_,19,23,1,1 3hug_B_,20,24,1,1 3hug_B_,21,25,1,1 3hug_B_,22,26,1,1 3hug_B_,23,27,1,1 3hug_B_,24,28,1,1 3hug_B_,25,28,1,1 3hug_B_,26,29,1,1 3hug_B_,26,30,1,1 3hug_B_,26,33,1,1 3hug_B_,27,30,1,1 3hug_B_,27,34,1,1 3hug_B_,30,34,1,1 3hug_B_,31,35,1,1 3hug_B_,32,36,1,1 3hug_B_,33,37,1,1 3hug_B_,34,38,1,1 3hug_B_,35,39,1,1 3hug_B_,36,40,1,1 3hug_B_,37,40,1,1 3hug_B_,38,41,1,1 3hug_B_,40,43,1,1 3hug_B_,43,47,1,1 3hug_B_,44,48,1,1 3hug_B_,45,48,1,1 3hug_B_,46,49,1,1 3hug_B_,47,50,1,1 3hug_B_,51,54,1,1 3hug_B_,51,55,1,1 3hug_B_,52,56,1,1 3hug_B_,53,57,1,1 3hug_B_,54,58,1,1 3hug_B_,55,59,1,1 3hug_B_,56,60,1,1 3hug_B_,57,61,1,1 3hug_B_,59,62,1,1