pair,contact1,contact2,flow1,flow2 3wfd_C_,2,5,1,1 3wfd_C_,2,6,1,1 3wfd_C_,3,7,1,1 3wfd_C_,4,8,1,1 3wfd_C_,5,9,1,1 3wfd_C_,6,10,1,1 3wfd_C_,7,11,1,1 3wfd_C_,8,12,1,1 3wfd_C_,9,13,1,1 3wfd_C_,10,14,1,1 3wfd_C_,11,15,1,1 3wfd_C_,12,16,1,1 3wfd_C_,13,17,1,1 3wfd_C_,14,18,1,1 3wfd_C_,15,19,1,1 3wfd_C_,16,20,1,1 3wfd_C_,17,21,1,1 3wfd_C_,18,22,1,1 3wfd_C_,19,23,1,1 3wfd_C_,20,24,1,1 3wfd_C_,21,25,1,1 3wfd_C_,22,26,1,1 3wfd_C_,23,27,1,1 3wfd_C_,24,28,1,1 3wfd_C_,25,29,1,1 3wfd_C_,26,30,1,1 3wfd_C_,27,30,1,1 3wfd_C_,27,31,1,1 3wfd_C_,28,31,1,1 3wfd_C_,29,32,1,1 3wfd_C_,31,35,1,1 3wfd_C_,32,36,1,1 3wfd_C_,33,38,1,1 3wfd_C_,34,37,1,1 3wfd_C_,35,132,1,1 3wfd_C_,35,134,1,1 3wfd_C_,37,40,1,1 3wfd_C_,37,127,1,1 3wfd_C_,38,41,1,1 3wfd_C_,42,45,1,1 3wfd_C_,42,46,1,1 3wfd_C_,43,47,1,1 3wfd_C_,44,48,1,1 3wfd_C_,45,49,1,1 3wfd_C_,46,50,1,1 3wfd_C_,47,51,1,1 3wfd_C_,47,120,1,1 3wfd_C_,48,52,1,1 3wfd_C_,49,53,1,1 3wfd_C_,50,54,1,1 3wfd_C_,51,55,1,1 3wfd_C_,52,57,1,1 3wfd_C_,53,56,1,1 3wfd_C_,56,59,1,1 3wfd_C_,57,60,1,1 3wfd_C_,57,61,1,1 3wfd_C_,60,70,1,1 3wfd_C_,60,71,1,1 3wfd_C_,61,68,1,1 3wfd_C_,61,72,1,1 3wfd_C_,62,73,1,1 3wfd_C_,62,74,1,1 3wfd_C_,63,66,1,1 3wfd_C_,65,73,1,1 3wfd_C_,70,106,1,1 3wfd_C_,73,75,1,1 3wfd_C_,73,80,1,1 3wfd_C_,74,77,1,1 3wfd_C_,76,79,1,1 3wfd_C_,77,80,1,1 3wfd_C_,78,83,1,1 3wfd_C_,80,140,1,1 3wfd_C_,82,86,1,1 3wfd_C_,83,87,1,1 3wfd_C_,84,130,1,1 3wfd_C_,86,90,1,1 3wfd_C_,87,91,1,1 3wfd_C_,88,92,1,1 3wfd_C_,88,119,1,1 3wfd_C_,88,123,1,1 3wfd_C_,88,126,1,1 3wfd_C_,89,93,1,1 3wfd_C_,90,94,1,1 3wfd_C_,91,95,1,1 3wfd_C_,92,96,1,1 3wfd_C_,93,97,1,1 3wfd_C_,95,110,1,1 3wfd_C_,96,110,1,1 3wfd_C_,98,110,1,1 3wfd_C_,102,105,1,1 3wfd_C_,110,112,1,1 3wfd_C_,114,117,1,1 3wfd_C_,114,118,1,1 3wfd_C_,115,119,1,1 3wfd_C_,116,120,1,1 3wfd_C_,117,121,1,1 3wfd_C_,118,122,1,1 3wfd_C_,119,123,1,1 3wfd_C_,120,124,1,1 3wfd_C_,121,125,1,1 3wfd_C_,122,126,1,1 3wfd_C_,123,126,1,1 3wfd_C_,123,127,1,1 3wfd_C_,124,128,1,1 3wfd_C_,125,129,1,1 3wfd_C_,126,129,1,1 3wfd_C_,127,130,1,1 3wfd_C_,128,131,1,1 3wfd_C_,132,134,1,1 3wfd_C_,133,136,1,1 3wfd_C_,139,141,1,1 3wfd_C_,139,142,1,1