pair,contact1,contact2,flow1,flow2 1wwu_A_,5,6,1,1 1wwu_A_,14,36,1,1 1wwu_A_,17,36,1,1 1wwu_A_,20,80,1,1 1wwu_A_,21,23,1,1 1wwu_A_,21,24,1,1 1wwu_A_,25,28,1,1 1wwu_A_,25,29,1,1 1wwu_A_,26,30,1,1 1wwu_A_,28,32,1,1 1wwu_A_,29,33,1,1 1wwu_A_,30,34,1,1 1wwu_A_,31,35,1,1 1wwu_A_,32,36,1,1 1wwu_A_,33,36,1,1 1wwu_A_,33,37,1,1 1wwu_A_,39,43,1,1 1wwu_A_,41,45,1,1 1wwu_A_,42,46,1,1 1wwu_A_,50,53,1,1 1wwu_A_,50,54,1,1 1wwu_A_,51,55,1,1 1wwu_A_,52,56,1,1 1wwu_A_,54,57,1,1 1wwu_A_,58,61,1,1 1wwu_A_,58,62,1,1 1wwu_A_,59,63,1,1 1wwu_A_,60,64,1,1 1wwu_A_,61,65,1,1 1wwu_A_,62,66,1,1 1wwu_A_,66,70,1,1 1wwu_A_,68,71,1,1 1wwu_A_,69,72,1,1 1wwu_A_,69,73,1,1 1wwu_A_,70,74,1,1 1wwu_A_,71,75,1,1 1wwu_A_,72,76,1,1 1wwu_A_,73,76,1,1 1wwu_A_,73,77,1,1 1wwu_A_,74,78,1,1 1wwu_A_,76,80,1,1 1wwu_A_,77,81,1,1 1wwu_A_,78,82,1,1 1wwu_A_,79,83,1,1 1wwu_A_,80,84,1,1 1wwu_A_,81,85,1,1 1wwu_A_,87,88,1,1