pair,contact1,contact2,flow1,flow2 2w31_A_,1,6,1,1 2w31_A_,3,6,1,1 2w31_A_,3,7,1,1 2w31_A_,4,8,1,1 2w31_A_,4,80,1,1 2w31_A_,5,9,1,1 2w31_A_,6,10,1,1 2w31_A_,7,11,1,1 2w31_A_,8,13,1,1 2w31_A_,8,78,1,1 2w31_A_,9,12,1,1 2w31_A_,11,144,1,1 2w31_A_,12,137,1,1 2w31_A_,14,16,1,1 2w31_A_,14,17,1,1 2w31_A_,14,18,1,1 2w31_A_,15,19,1,1 2w31_A_,16,20,1,1 2w31_A_,17,21,1,1 2w31_A_,17,137,1,1 2w31_A_,18,22,1,1 2w31_A_,19,23,1,1 2w31_A_,20,23,1,1 2w31_A_,20,24,1,1 2w31_A_,21,24,1,1 2w31_A_,22,25,1,1 2w31_A_,24,28,1,1 2w31_A_,25,29,1,1 2w31_A_,26,30,1,1 2w31_A_,27,31,1,1 2w31_A_,29,32,1,1 2w31_A_,30,34,1,1 2w31_A_,31,35,1,1 2w31_A_,32,33,1,1 2w31_A_,32,36,1,1 2w31_A_,33,37,1,1 2w31_A_,34,38,1,1 2w31_A_,35,39,1,1 2w31_A_,36,40,1,1 2w31_A_,37,41,1,1 2w31_A_,37,63,1,1 2w31_A_,38,42,1,1 2w31_A_,39,43,1,1 2w31_A_,40,44,1,1 2w31_A_,40,56,1,1 2w31_A_,42,45,1,1 2w31_A_,43,46,1,1 2w31_A_,43,49,1,1 2w31_A_,46,49,1,1 2w31_A_,46,50,1,1 2w31_A_,47,51,1,1 2w31_A_,49,52,1,1 2w31_A_,50,53,1,1 2w31_A_,51,54,1,1 2w31_A_,54,57,1,1 2w31_A_,55,58,1,1 2w31_A_,55,59,1,1 2w31_A_,56,60,1,1 2w31_A_,56,61,1,1 2w31_A_,56,62,1,1 2w31_A_,57,60,1,1 2w31_A_,61,65,1,1 2w31_A_,62,66,1,1 2w31_A_,63,67,1,1 2w31_A_,64,68,1,1 2w31_A_,65,69,1,1 2w31_A_,66,70,1,1 2w31_A_,67,71,1,1 2w31_A_,68,72,1,1 2w31_A_,69,72,1,1 2w31_A_,69,73,1,1 2w31_A_,69,142,1,1 2w31_A_,70,73,1,1 2w31_A_,71,74,1,1 2w31_A_,72,75,1,1 2w31_A_,73,78,1,1 2w31_A_,76,77,1,1 2w31_A_,76,78,1,1 2w31_A_,79,82,1,1 2w31_A_,79,83,1,1 2w31_A_,80,84,1,1 2w31_A_,81,85,1,1 2w31_A_,82,86,1,1 2w31_A_,82,142,1,1 2w31_A_,83,87,1,1 2w31_A_,84,88,1,1 2w31_A_,85,89,1,1 2w31_A_,86,90,1,1 2w31_A_,87,91,1,1 2w31_A_,87,149,1,1 2w31_A_,88,92,1,1 2w31_A_,89,93,1,1 2w31_A_,90,93,1,1 2w31_A_,90,94,1,1 2w31_A_,91,95,1,1 2w31_A_,92,96,1,1 2w31_A_,93,98,1,1 2w31_A_,94,97,1,1 2w31_A_,98,150,1,1 2w31_A_,99,101,1,1 2w31_A_,99,102,1,1 2w31_A_,100,103,1,1 2w31_A_,100,104,1,1 2w31_A_,101,105,1,1 2w31_A_,102,106,1,1 2w31_A_,103,107,1,1 2w31_A_,104,108,1,1 2w31_A_,105,109,1,1 2w31_A_,106,110,1,1 2w31_A_,107,111,1,1 2w31_A_,108,112,1,1 2w31_A_,109,113,1,1 2w31_A_,110,114,1,1 2w31_A_,111,115,1,1 2w31_A_,111,136,1,1 2w31_A_,111,140,1,1 2w31_A_,112,116,1,1 2w31_A_,113,117,1,1 2w31_A_,114,118,1,1 2w31_A_,115,119,1,1 2w31_A_,116,120,1,1 2w31_A_,117,121,1,1 2w31_A_,118,121,1,1 2w31_A_,118,122,1,1 2w31_A_,122,128,1,1 2w31_A_,123,128,1,1 2w31_A_,124,127,1,1 2w31_A_,124,128,1,1 2w31_A_,125,129,1,1 2w31_A_,126,129,1,1 2w31_A_,126,130,1,1 2w31_A_,127,131,1,1 2w31_A_,128,132,1,1 2w31_A_,129,133,1,1 2w31_A_,130,134,1,1 2w31_A_,131,135,1,1 2w31_A_,132,136,1,1 2w31_A_,133,137,1,1 2w31_A_,134,138,1,1 2w31_A_,135,139,1,1 2w31_A_,136,140,1,1 2w31_A_,137,141,1,1 2w31_A_,138,142,1,1 2w31_A_,139,143,1,1 2w31_A_,140,144,1,1 2w31_A_,141,145,1,1 2w31_A_,142,146,1,1 2w31_A_,143,147,1,1 2w31_A_,144,148,1,1 2w31_A_,145,149,1,1 2w31_A_,146,149,1,1 2w31_A_,147,150,1,1 2w31_A_,148,151,1,1